56475578992 has 20 divisors (see below), whose sum is σ = 125053068016. Its totient is φ = 24203819520.

The previous prime is 56475578989. The next prime is 56475579023. The reversal of 56475578992 is 29987557465.

It is a congruent number.

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, 252123009 + ... + 252123232.

Almost surely, 2^56475578992 is an apocalyptic number.

It is an amenable number.

56475578992 is an abundant number, since it is smaller than the sum of its proper divisors (68577489024).

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

56475578992 is a wasteful number, since it uses less digits than its factorization.

56475578992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504246256 (or 504246250 counting only the distinct ones).

The product of its digits is 190512000, while the sum is 67.

The spelling of 56475578992 in words is "fifty-six billion, four hundred seventy-five million, five hundred seventy-eight thousand, nine hundred ninety-two".