56809528 has 16 divisors (see below), whose sum is σ = 107235000. Its totient is φ = 28213536.

The previous prime is 56809469. The next prime is 56809537. The reversal of 56809528 is 82590865.

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, 22638 + ... + 25021.

Almost surely, 2^56809528 is an apocalyptic number.

It is an amenable number.

56809528 is a deficient number, since it is larger than the sum of its proper divisors (50425472).

56809528 is a wasteful number, since it uses less digits than its factorization.

56809528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47814 (or 47810 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 56809528 is about 7537.2095632270. The cubic root of 56809528 is about 384.4209612390.

The spelling of 56809528 in words is "fifty-six million, eight hundred nine thousand, five hundred twenty-eight".