56857932 has 36 divisors (see below), whose sum is σ = 149975280. Its totient is φ = 18128352.

The previous prime is 56857903. The next prime is 56857961. The reversal of 56857932 is 23975865.

It is a happy number.

56857932 is a `hidden beast` number, since 568 + 57 + 9 + 32 = 666.

56857932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56857903) and next prime (56857961).

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 33507 + ... + 35162.

It is an arithmetic number, because the mean of its divisors is an integer number (4165980).

Almost surely, 2^56857932 is an apocalyptic number.

It is an amenable number.

56857932 is an abundant number, since it is smaller than the sum of its proper divisors (93117348).

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

56857932 is a wasteful number, since it uses less digits than its factorization.

56857932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68702 (or 68697 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 56857932 is about 7540.4198822082. The cubic root of 56857932 is about 384.5301109455.

The spelling of 56857932 in words is "fifty-six million, eight hundred fifty-seven thousand, nine hundred thirty-two".