56971908 has 54 divisors (see below), whose sum is σ = 167529726. Its totient is φ = 16277184.

The previous prime is 56971867. The next prime is 56971931. The reversal of 56971908 is 80917965.

It can be written as a sum of positive squares in only one way, i.e., 56520324 + 451584 = 7518^2 + 672^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14385 + ... + 17912.

Almost surely, 2^56971908 is an apocalyptic number.

It is an amenable number.

56971908 is an abundant number, since it is smaller than the sum of its proper divisors (110557818).

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

56971908 is a wasteful number, since it uses less digits than its factorization.

56971908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32321 (or 32309 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 56971908 is about 7547.9737678399. The cubic root of 56971908 is about 384.7868792918.

The spelling of 56971908 in words is "fifty-six million, nine hundred seventy-one thousand, nine hundred eight".