56672388 has 36 divisors (see below), whose sum is σ = 145075840. Its totient is φ = 18650736.

The previous prime is 56672377. The next prime is 56672393. The reversal of 56672388 is 88327665.

56672388 is a `hidden beast` number, since 566 + 7 + 2 + 3 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7120 + ... + 12807.

Almost surely, 2^56672388 is an apocalyptic number.

It is an amenable number.

56672388 is an abundant number, since it is smaller than the sum of its proper divisors (88403452).

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

56672388 is a wasteful number, since it uses less digits than its factorization.

56672388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20016 (or 20011 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 56672388 is about 7528.1065348466. The cubic root of 56672388 is about 384.1113771977. Note that the first 3 decimals are identical.

The spelling of 56672388 in words is "fifty-six million, six hundred seventy-two thousand, three hundred eighty-eight".