56949888478 has 24 divisors (see below), whose sum is σ = 99385439400. Its totient is φ = 24403731408.

The previous prime is 56949888449. The next prime is 56949888493. The reversal of 56949888478 is 87488894965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754753 + ... + 826771.

It is an arithmetic number, because the mean of its divisors is an integer number (4141059975).

Almost surely, 2^56949888478 is an apocalyptic number.

56949888478 is a deficient number, since it is larger than the sum of its proper divisors (42435550922).

56949888478 is a wasteful number, since it uses less digits than its factorization.

56949888478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80104 (or 80097 counting only the distinct ones).

The product of its digits is 1114767360, while the sum is 76.

The spelling of 56949888478 in words is "fifty-six billion, nine hundred forty-nine million, eight hundred eighty-eight thousand, four hundred seventy-eight".