56733886828 has 6 divisors (see below), whose sum is σ = 99284301956. Its totient is φ = 28366943412.

The previous prime is 56733886823. The next prime is 56733886829. The reversal of 56733886828 is 82868833765.

It is a super-2 number, since 2×56733886828² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56733886828.

It is not an unprimeable number, because it can be changed into a prime (56733886823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7091735850 + ... + 7091735857.

Almost surely, 2^56733886828 is an apocalyptic number.

It is an amenable number.

56733886828 is a deficient number, since it is larger than the sum of its proper divisors (42550415128).

56733886828 is a wasteful number, since it uses less digits than its factorization.

56733886828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14183471711 (or 14183471709 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 64.

The spelling of 56733886828 in words is "fifty-six billion, seven hundred thirty-three million, eight hundred eighty-six thousand, eight hundred twenty-eight".