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55710372 = 2234642531
BaseRepresentation
bin1101010010000…
…1001010100100
310212211101021010
43110201022210
5103230212442
65310022220
71244346624
oct324411244
9125741233
1055710372
11294a1033
12167a7970
13b707623
147582884
154d56b9c
hex35212a4

55710372 has 12 divisors (see below), whose sum is σ = 129990896. Its totient is φ = 18570120.

The previous prime is 55710371. The next prime is 55710397. The reversal of 55710372 is 27301755.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55710371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321254 + ... + 2321277.

Almost surely, 255710372 is an apocalyptic number.

It is an amenable number.

55710372 is an abundant number, since it is smaller than the sum of its proper divisors (74280524).

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

55710372 is a wasteful number, since it uses less digits than its factorization.

55710372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642538 (or 4642536 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 55710372 is about 7463.9381026372. The cubic root of 55710372 is about 381.9255266312.

The spelling of 55710372 in words is "fifty-five million, seven hundred ten thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 4642531 9285062 13927593 18570124 27855186 55710372