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55868274 = 232711173233
BaseRepresentation
bin1101010100011…
…1101101110010
310220010101212100
43111013231302
5103300241044
65313241230
71245605160
oct325075562
9126111770
1055868274
1129599730
1216863216
13b761467
1475c4230
154d88869
hex3547b72

55868274 has 96 divisors (see below), whose sum is σ = 152440704. Its totient is φ = 14365440.

The previous prime is 55868257. The next prime is 55868279. The reversal of 55868274 is 47286855.

It is not an unprimeable number, because it can be changed into a prime (55868279) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239662 + ... + 239894.

It is an arithmetic number, because the mean of its divisors is an integer number (1587924).

Almost surely, 255868274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55868274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76220352).

55868274 is an abundant number, since it is smaller than the sum of its proper divisors (96572430).

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

55868274 is a wasteful number, since it uses less digits than its factorization.

55868274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 429 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 55868274 is about 7474.5082781411. The cubic root of 55868274 is about 382.2860215461.

The spelling of 55868274 in words is "fifty-five million, eight hundred sixty-eight thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 173 198 231 233 346 462 466 519 693 699 1038 1211 1386 1398 1557 1631 1903 2097 2422 2563 3114 3262 3633 3806 4194 4893 5126 5709 7266 7689 9786 10899 11418 13321 14679 15378 17127 17941 21798 23067 26642 29358 34254 35882 39963 40309 46134 53823 79926 80618 107646 119889 120927 161469 239778 241854 282163 322938 362781 443399 564326 725562 846489 886798 1330197 1692978 2539467 2660394 3103793 3990591 5078934 6207586 7981182 9311379 18622758 27934137 55868274