56979895915 has 8 divisors (see below), whose sum is σ = 68396888160. Its totient is φ = 45569908032.

The previous prime is 56979895901. The next prime is 56979895949. The reversal of 56979895915 is 51959897965.

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

It is a cyclic number.

It is not a de Polignac number, because 56979895915 - 2⁵ = 56979895883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733175 + ... + 1765744.

It is an arithmetic number, because the mean of its divisors is an integer number (8549611020).

Almost surely, 2^56979895915 is an apocalyptic number.

56979895915 is a deficient number, since it is larger than the sum of its proper divisors (11416992245).

56979895915 is a wasteful number, since it uses less digits than its factorization.

56979895915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502181.

The product of its digits is 275562000, while the sum is 73.

The spelling of 56979895915 in words is "fifty-six billion, nine hundred seventy-nine million, eight hundred ninety-five thousand, nine hundred fifteen".