56166256 has 20 divisors (see below), whose sum is σ = 111354232. Its totient is φ = 27429696.

The previous prime is 56166247. The next prime is 56166263. The reversal of 56166256 is 65266165.

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, 40131 + ... + 41506.

Almost surely, 2^56166256 is an apocalyptic number.

It is an amenable number.

56166256 is a deficient number, since it is larger than the sum of its proper divisors (55187976).

56166256 is a wasteful number, since it uses less digits than its factorization.

56166256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81688 (or 81682 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 56166256 is about 7494.4149871754. The cubic root of 56166256 is about 382.9644771141.

Subtracting 56166256 from its reverse (65266165), we obtain a palindrome (9099909).

The spelling of 56166256 in words is "fifty-six million, one hundred sixty-six thousand, two hundred fifty-six".