56457357 has 32 divisors (see below), whose sum is σ = 87640704. Its totient is φ = 31948800.

The previous prime is 56457319. The next prime is 56457361. The reversal of 56457357 is 75375465.

It is not a de Polignac number, because 56457357 - 2⁸ = 56457101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56457307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87757 + ... + 88397.

It is an arithmetic number, because the mean of its divisors is an integer number (2738772).

Almost surely, 2^56457357 is an apocalyptic number.

It is an amenable number.

56457357 is a deficient number, since it is larger than the sum of its proper divisors (31183347).

56457357 is a wasteful number, since it uses less digits than its factorization.

56457357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its digits is 441000, while the sum is 42.

The square root of 56457357 is about 7513.8110835980. The cubic root of 56457357 is about 383.6249525548.

The spelling of 56457357 in words is "fifty-six million, four hundred fifty-seven thousand, three hundred fifty-seven".