56017664 has 18 divisors (see below), whose sum is σ = 111817020. Its totient is φ = 28008704.

The previous prime is 56017657. The next prime is 56017679. The reversal of 56017664 is 46671065.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109154 + ... + 109665.

Almost surely, 2^56017664 is an apocalyptic number.

It is an amenable number.

56017664 is a deficient number, since it is larger than the sum of its proper divisors (55799356).

56017664 is an equidigital number, since it uses as much as digits as its factorization.

56017664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218835 (or 218821 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 56017664 is about 7484.4949061376. The cubic root of 56017664 is about 382.6264585357.

The spelling of 56017664 in words is "fifty-six million, seventeen thousand, six hundred sixty-four".