56971612 has 18 divisors (see below), whose sum is σ = 100482032. Its totient is φ = 28263984.

The previous prime is 56971589. The next prime is 56971613. The reversal of 56971612 is 21617965.

56971612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56971613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155053 + ... + 155419.

Almost surely, 2^56971612 is an apocalyptic number.

It is an amenable number.

56971612 is a deficient number, since it is larger than the sum of its proper divisors (43510420).

56971612 is a wasteful number, since it uses less digits than its factorization.

56971612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 566 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 56971612 is about 7547.9541599032. The cubic root of 56971612 is about 384.7862128984.

The spelling of 56971612 in words is "fifty-six million, nine hundred seventy-one thousand, six hundred twelve".