56725806 has 16 divisors (see below), whose sum is σ = 113528448. Its totient is φ = 18895800.

The previous prime is 56725789. The next prime is 56725813. The reversal of 56725806 is 60852765.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11821 + ... + 15911.

It is an arithmetic number, because the mean of its divisors is an integer number (7095528).

Almost surely, 2^56725806 is an apocalyptic number.

56725806 is an abundant number, since it is smaller than the sum of its proper divisors (56802642).

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

56725806 is a wasteful number, since it uses less digits than its factorization.

56725806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 56725806 is about 7531.6536032932. The cubic root of 56725806 is about 384.2320239472.

The spelling of 56725806 in words is "fifty-six million, seven hundred twenty-five thousand, eight hundred six".