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55749876 = 223713192687
BaseRepresentation
bin1101010010101…
…0110011110100
310212220101110020
43110222303310
5103232444001
65310525140
71244603040
oct324526364
9125811406
1055749876
1129518786
12168067b0
13b71c5c0
147593020
154d63736
hex352acf4

55749876 has 96 divisors (see below), whose sum is σ = 168591360. Its totient is φ = 13924224.

The previous prime is 55749853. The next prime is 55749893. The reversal of 55749876 is 67894755.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19405 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (1756160).

Almost surely, 255749876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55749876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84295680).

55749876 is an abundant number, since it is smaller than the sum of its proper divisors (112841484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55749876 is a wasteful number, since it uses less digits than its factorization.

55749876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2731 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 55749876 is about 7466.5839578752. The cubic root of 55749876 is about 382.0157792519.

The spelling of 55749876 in words is "fifty-five million, seven hundred forty-nine thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 52 57 76 78 84 91 114 133 156 182 228 247 266 273 364 399 494 532 546 741 798 988 1092 1482 1596 1729 2687 2964 3458 5187 5374 6916 8061 10374 10748 16122 18809 20748 32244 34931 37618 51053 56427 69862 75236 102106 104793 112854 139724 153159 204212 209586 225708 244517 306318 357371 419172 489034 612636 663689 714742 733551 978068 1072113 1327378 1429484 1467102 1991067 2144226 2654756 2934204 3982134 4288452 4645823 7964268 9291646 13937469 18583292 27874938 55749876