56979418 has 8 divisors (see below), whose sum is σ = 89185248. Its totient is φ = 27251004.

The previous prime is 56979407. The next prime is 56979431. The reversal of 56979418 is 81497965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619296 + ... + 619387.

It is an arithmetic number, because the mean of its divisors is an integer number (11148156).

Almost surely, 2^56979418 is an apocalyptic number.

56979418 is a deficient number, since it is larger than the sum of its proper divisors (32205830).

56979418 is a wasteful number, since it uses less digits than its factorization.

56979418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238708.

The product of its digits is 544320, while the sum is 49.

The square root of 56979418 is about 7548.4712359524. The cubic root of 56979418 is about 384.8037860013.

The spelling of 56979418 in words is "fifty-six million, nine hundred seventy-nine thousand, four hundred eighteen".