56732823764 has 12 divisors (see below), whose sum is σ = 99599640084. Its totient is φ = 28275783744.

The previous prime is 56732823733. The next prime is 56732823773. The reversal of 56732823764 is 46732823765.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29908935364 + 26823888400 = 172942^2 + 163780^2 .

It is a super-2 number, since 2×56732823764² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22655627 + ... + 22658130.

It is an arithmetic number, because the mean of its divisors is an integer number (8299970007).

Almost surely, 2^56732823764 is an apocalyptic number.

It is an amenable number.

56732823764 is a deficient number, since it is larger than the sum of its proper divisors (42866816320).

56732823764 is a wasteful number, since it uses less digits than its factorization.

56732823764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45314074 (or 45314072 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 53.

Subtracting from 56732823764 its reverse (46732823765), we obtain a palindrome (9999999999).

The spelling of 56732823764 in words is "fifty-six billion, seven hundred thirty-two million, eight hundred twenty-three thousand, seven hundred sixty-four".