56679816959 has 8 divisors (see below), whose sum is σ = 59748090480. Its totient is φ = 53620056000.

The previous prime is 56679816899. The next prime is 56679816967. The reversal of 56679816959 is 95961897665.

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 56679816959 - 2³² = 52384849663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56679816892 and 56679816901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56679816359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114462 + ... + 2141099.

It is an arithmetic number, because the mean of its divisors is an integer number (7468511310).

Almost surely, 2^56679816959 is an apocalyptic number.

56679816959 is a deficient number, since it is larger than the sum of its proper divisors (3068273521).

56679816959 is a wasteful number, since it uses less digits than its factorization.

56679816959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256281.

The product of its digits is 220449600, while the sum is 71.

The spelling of 56679816959 in words is "fifty-six billion, six hundred seventy-nine million, eight hundred sixteen thousand, nine hundred fifty-nine".