56979662 has 4 divisors (see below), whose sum is σ = 85469496. Its totient is φ = 28489830.

The previous prime is 56979653. The next prime is 56979677. The reversal of 56979662 is 26697965.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 56979662.

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, 14244914 + ... + 14244917.

It is an arithmetic number, because the mean of its divisors is an integer number (21367374).

Almost surely, 2^56979662 is an apocalyptic number.

56979662 is a deficient number, since it is larger than the sum of its proper divisors (28489834).

56979662 is a wasteful number, since it uses less digits than its factorization.

56979662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28489833.

The product of its digits is 1224720, while the sum is 50.

The square root of 56979662 is about 7548.4873981481. The cubic root of 56979662 is about 384.8043352756.

The spelling of 56979662 in words is "fifty-six million, nine hundred seventy-nine thousand, six hundred sixty-two".