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55881462 = 23721314621
BaseRepresentation
bin1101010100101…
…0111011110110
310220011001221210
43111022323312
5103301201322
65313422250
71245661500
oct325127366
9126131853
1055881462
11295a862a
121686a986
13b767470
1475c8d70
154d8c70c
hex354aef6

55881462 has 48 divisors (see below), whose sum is σ = 140020272. Its totient is φ = 14736960.

The previous prime is 55881457. The next prime is 55881479. The reversal of 55881462 is 26418855.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 55881462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3489 + ... + 11132.

It is an arithmetic number, because the mean of its divisors is an integer number (2917089).

Almost surely, 255881462 is an apocalyptic number.

55881462 is an abundant number, since it is smaller than the sum of its proper divisors (84138810).

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

55881462 is a wasteful number, since it uses less digits than its factorization.

55881462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14653 (or 14646 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 55881462 is about 7475.3904245865. The cubic root of 55881462 is about 382.3160993884.

The spelling of 55881462 in words is "fifty-five million, eight hundred eighty-one thousand, four hundred sixty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 546 637 1274 1911 3822 14621 29242 43863 87726 102347 190073 204694 307041 380146 570219 614082 716429 1140438 1330511 1432858 2149287 2661022 3991533 4298574 7983066 9313577 18627154 27940731 55881462