56540504 has 32 divisors (see below), whose sum is σ = 118162800. Its totient is φ = 25205760.

The previous prime is 56540501. The next prime is 56540531. The reversal of 56540504 is 40504565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56540501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8357 + ... + 13524.

Almost surely, 2^56540504 is an apocalyptic number.

It is an amenable number.

56540504 is an abundant number, since it is smaller than the sum of its proper divisors (61622296).

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

56540504 is a wasteful number, since it uses less digits than its factorization.

56540504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21923 (or 21919 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 56540504 is about 7519.3419924884. The cubic root of 56540504 is about 383.8131867645.

The spelling of 56540504 in words is "fifty-six million, five hundred forty thousand, five hundred four".