56516504 has 16 divisors (see below), whose sum is σ = 115602120. Its totient is φ = 25689280.

The previous prime is 56516489. The next prime is 56516531. The reversal of 56516504 is 40561565.

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, 321029 + ... + 321204.

Almost surely, 2^56516504 is an apocalyptic number.

It is an amenable number.

56516504 is an abundant number, since it is smaller than the sum of its proper divisors (59085616).

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

56516504 is a wasteful number, since it uses less digits than its factorization.

56516504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642250 (or 642246 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 56516504 is about 7517.7459387771. The cubic root of 56516504 is about 383.7588727802.

The spelling of 56516504 in words is "fifty-six million, five hundred sixteen thousand, five hundred four".