56775555232 has 48 divisors (see below), whose sum is σ = 122898650112. Its totient is φ = 25603845120.

The previous prime is 56775555229. The next prime is 56775555259. The reversal of 56775555232 is 23255557765.

It is a self number, because there is not a number n which added to its sum of digits gives 56775555232.

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, 590313 + ... + 679720.

It is an arithmetic number, because the mean of its divisors is an integer number (2560388544).

Almost surely, 2^56775555232 is an apocalyptic number.

It is an amenable number.

56775555232 is an abundant number, since it is smaller than the sum of its proper divisors (66123094880).

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

56775555232 is a wasteful number, since it uses less digits than its factorization.

56775555232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270181 (or 1270173 counting only the distinct ones).

The product of its digits is 11025000, while the sum is 52.

The spelling of 56775555232 in words is "fifty-six billion, seven hundred seventy-five million, five hundred fifty-five thousand, two hundred thirty-two".