56404576 has 24 divisors (see below), whose sum is σ = 114050160. Its totient is φ = 27439488.

The previous prime is 56404567. The next prime is 56404583. The reversal of 56404576 is 67540465.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22636 + ... + 25003.

It is an arithmetic number, because the mean of its divisors is an integer number (4752090).

Almost surely, 2^56404576 is an apocalyptic number.

It is an amenable number.

56404576 is an abundant number, since it is smaller than the sum of its proper divisors (57645584).

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

56404576 is a wasteful number, since it uses less digits than its factorization.

56404576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47686 (or 47678 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 56404576 is about 7510.2979967509. The cubic root of 56404576 is about 383.5053671849.

The spelling of 56404576 in words is "fifty-six million, four hundred four thousand, five hundred seventy-six".