56812504 has 64 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 22608384.

The previous prime is 56812493. The next prime is 56812517. The reversal of 56812504 is 40521865.

It is a super-2 number, since 2×56812504² = 6455321221500032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78657 + ... + 79375.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^56812504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56812504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65318400).

56812504 is an abundant number, since it is smaller than the sum of its proper divisors (73824296).

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

56812504 is a wasteful number, since it uses less digits than its factorization.

56812504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 56812504 is about 7537.4069811839. The cubic root of 56812504 is about 384.4276738266.

The spelling of 56812504 in words is "fifty-six million, eight hundred twelve thousand, five hundred four".