56475401982 has 32 divisors (see below), whose sum is σ = 120844705920. Its totient is φ = 17541969120.

The previous prime is 56475401953. The next prime is 56475401993. The reversal of 56475401982 is 28910457465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4053688 + ... + 4067595.

It is an arithmetic number, because the mean of its divisors is an integer number (3776397060).

Almost surely, 2^56475401982 is an apocalyptic number.

56475401982 is an abundant number, since it is smaller than the sum of its proper divisors (64369303938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56475401982 is a wasteful number, since it uses less digits than its factorization.

56475401982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121368.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 56475401982 in words is "fifty-six billion, four hundred seventy-five million, four hundred one thousand, nine hundred eighty-two".