Number 55

In SuperEnalotto under the 6/90 + 1/90 · Dec 1997 – Jul 2009 rules — 1,425 draws, 6 from 1–90 (an earlier era).

110times drawn · chance expected 95 +1.59σ

18draws waiting · a wait this long: 31% for any number

12.8average wait between appearances · chance says 15.0

74longest completed wait · 51% chance of one at least that long

55 is drawn as often as chance explains

Drawn 110 times in 1,425 draws against 95.0 expected, +1.59σ. Each draw is independent: after 18 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 19 times, counted separately.

Number 55, draw by draw

Drawn 110 times in 1,425 draws · average wait 12.8 draws · longest completed wait 74 · waiting 18 draws now

a completed wait — darker is longer the wait still running — a lower bound, not a finished gap

Where it lands in a sorted draw

Sort a draw and 55 has a favourite seat — chance gives a large number the high positions more often. That is the shape of sorting, not of the machine.

1st smallest1 · chance 0.9
2nd smallest12 · chance 7.5
3rd smallest26 · chance 24.8
4th smallest41 · chance 39.1
5th smallest22 · chance 29.3
6th smallest8 · chance 8.4

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 6.2 shared draws, and the leaders are simply the ones that came out ahead this time.

62 61 81 85 87 32

It has shared a draw with every one of the other 89 numbers; chance expected about 0.2 still unmet by now. Every pair →

How many people play it

Under the crowd model, 55 is picked about 0.86× as often as an indifferent choice — 38th most popular of 90. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.

Numbers above 31 ×0.86

The model and its sources → · What people believe about 55 →

Every draw it appeared in

Date	Wait	Position	The draw
2009-05-19	1	2nd	36 55 62 66 81 85
2009-05-16	8	3rd	39 50 55 57 78 82
2009-04-28	13	4th	11 12 32 55 72 87

What this cannot tell you

Nothing here predicts the next draw. A number’s history is a record of a fair machine’s past, and the machine keeps none of it: 55 is drawn with probability 6/90 tonight whatever it did last week.

2007-08-07	2	4th	21 29 50 55 67 73
2007-08-02	36	4th	16 24 51 55 59 66
2007-05-10	23	3rd	32 38 55 58 66 85
2007-03-17	7	3rd	10 43 55 56 81 87
2007-03-01	8	2nd	40 55 64 65 70 85
2007-02-10	9	3rd	11 30 55 76 77 90
2007-01-20	1	3rd	18 47 55 64 74 89
2007-01-18	7	5th	7 39 45 47 55 80
2007-01-02	19	3rd	42 47 55 57 61 79
2006-11-18	16	2nd	36 55 59 81 82 89
2006-10-12	20	4th	12 46 52 55 65 90
2006-08-26	8	4th	3 9 14 55 62 83
2006-08-08	14	5th	3 4 5 47 55 80
2006-07-06	6	4th	21 22 34 55 56 74
2006-06-22	22	6th	8 22 36 48 53 55
2006-05-02	22	4th	22 42 52 55 62 74
2006-03-11	22	3rd	26 28 55 61 62 85
2006-01-19	3	2nd	25 55 60 69 77 81
2006-01-12	7	4th	26 30 38 55 69 75
2005-12-27	17	4th	3 5 51 55 82 83
2005-11-17	10	6th	20 26 30 39 40 55
2005-10-25	8	4th	17 39 48 55 57 85
2005-10-06	13	4th	5 11 13 55 66 71
2005-09-06	2	5th	13 22 31 54 55 87
2005-09-01	21	4th	9 12 20 55 69 81
2005-07-14	2	4th	8 14 41 55 83 85
2005-07-09	1	6th	2 13 18 51 52 55
2005-07-07	12	4th	17 21 40 55 64 79
2005-06-04	7	4th	15 18 35 55 64 88
2005-05-11	12	2nd	5 55 68 69 70 76
2005-03-30	1	2nd	6 55 61 65 78 89
2005-03-26	6	2nd	42 55 59 61 70 73
2005-03-05	56	4th	19 21 36 55 77 87
2004-08-21	18	3rd	32 42 55 74 78 88
2004-06-19	1	5th	4 8 11 36 55 83
2004-06-16	1	2nd	20 55 59 73 87 90
2004-06-12	2	4th	38 44 46 55 67 85
2004-06-05	25	4th	29 34 37 55 62 78
2004-03-10	6	3rd	30 52 55 65 71 80
2004-02-18	22	3rd	12 20 55 79 81 82
2003-12-03	6	4th	7 20 29 55 71 81
2003-11-12	5	4th	18 29 32 55 79 82
2003-10-25	4	3rd	49 54 55 62 66 88
2003-10-11	3	6th	13 16 25 45 47 55
2003-10-01	1	2nd	17 55 66 81 86 89
2003-09-27	12	3rd	17 52 55 65 82 90
2003-08-16	2	3rd	35 52 55 61 80 83
2003-08-09	74	3rd	37 48 55 76 87 90
2002-12-07	15	4th	6 17 23 55 56 68
2002-10-19	9	5th	10 21 23 35 55 89
2002-09-18	2	3rd	11 18 55 77 81 85
2002-09-11	36	3rd	16 23 55 83 86 89
2002-05-08	14	2nd	25 55 57 67 69 86
2002-03-20	10	5th	15 35 42 45 55 77
2002-02-13	6	4th	14 39 53 55 73 87
2002-01-23	16	4th	12 41 52 55 84 85
2001-12-01	3	4th	32 48 50 55 58 86
2001-11-21	15	3rd	14 53 55 65 83 87
2001-09-29	3	4th	3 4 7 55 61 77
2001-09-19	5	5th	10 21 30 45 55 57
2001-09-01	29	6th	10 11 16 45 46 55
2001-05-23	7	3rd	8 39 55 56 57 63
2001-04-28	19	6th	2 14 32 43 44 55
2001-02-21	19	4th	6 28 46 55 56 62
2000-12-16	2	4th	23 33 36 55 76 79
2000-12-09	11	2nd	39 55 62 77 82 88
2000-11-02	9	2nd	2 55 76 78 81 85
2000-09-30	12	4th	25 35 52 55 60 68
2000-08-19	10	5th	5 30 32 35 55 87
2000-07-15	7	5th	5 18 24 51 55 74
2000-06-21	41	5th	12 15 34 43 55 75
2000-01-29	2	1st	55 65 68 70 73 80
2000-01-22	6	3rd	15 21 55 60 70 90
2000-01-03	15	5th	17 38 48 51 55 62
1999-11-10	12	3rd	21 45 55 61 73 80
1999-09-29	44	4th	4 16 27 55 67 72
1999-04-28	2	4th	1 51 53 55 73 86
1999-04-21	15	3rd	20 53 55 61 64 74
1999-02-27	39	4th	6 7 42 55 75 88
1998-10-14	9	4th	15 28 42 55 76 88
1998-09-12	8	4th	14 37 48 55 84 87
1998-08-17	39	4th	4 47 53 55 71 73
1998-04-01	2	5th	17 31 42 43 55 72
1998-03-25	19	4th	5 6 17 55 62 73
1998-01-17	6	5th	29 37 49 51 55 74
1997-12-27	—	5th	8 26 35 43 55 67