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55379442 = 2343474567
BaseRepresentation
bin1101001101000…
…0010111110010
310212012120022110
43103100113302
5103134120232
65254550150
71241501046
oct323202762
9125176273
1055379442
1129295438
1216668356
13b61cb01
1474d8026
154cddacc
hex34d05f2

55379442 has 32 divisors (see below), whose sum is σ = 115771392. Its totient is φ = 17643024.

The previous prime is 55379431. The next prime is 55379477. The reversal of 55379442 is 24497355.

55379442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55379442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9843 + ... + 14409.

It is an arithmetic number, because the mean of its divisors is an integer number (3617856).

Almost surely, 255379442 is an apocalyptic number.

55379442 is an abundant number, since it is smaller than the sum of its proper divisors (60391950).

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

55379442 is a wasteful number, since it uses less digits than its factorization.

55379442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662.

The product of its digits is 151200, while the sum is 39.

The square root of 55379442 is about 7441.7364909005. The cubic root of 55379442 is about 381.1677879885.

The spelling of 55379442 in words is "fifty-five million, three hundred seventy-nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 43 47 86 94 129 141 258 282 2021 4042 4567 6063 9134 12126 13701 27402 196381 214649 392762 429298 589143 643947 1178286 1287894 9229907 18459814 27689721 55379442