56649976 has 8 divisors (see below), whose sum is σ = 106218720. Its totient is φ = 28324984.

The previous prime is 56649961. The next prime is 56650003. The reversal of 56649976 is 67994665.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3540616 + ... + 3540631.

It is an arithmetic number, because the mean of its divisors is an integer number (13277340).

Almost surely, 2^56649976 is an apocalyptic number.

It is an amenable number.

56649976 is a deficient number, since it is larger than the sum of its proper divisors (49568744).

56649976 is a wasteful number, since it uses less digits than its factorization.

56649976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081253 (or 7081249 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The square root of 56649976 is about 7526.6178327320. The cubic root of 56649976 is about 384.0607361974.

The spelling of 56649976 in words is "fifty-six million, six hundred forty-nine thousand, nine hundred seventy-six".