56178124928 has 32 divisors (see below), whose sum is σ = 118500736860. Its totient is φ = 26436763648.

The previous prime is 56178124921. The next prime is 56178124969. The reversal of 56178124928 is 82942187165.

It can be written as a sum of positive squares in 2 ways, for example, as 45280435264 + 10897689664 = 212792^2 + 104392^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 56178124928.

It is not an unprimeable number, because it can be changed into a prime (56178124921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12906401 + ... + 12910752.

Almost surely, 2^56178124928 is an apocalyptic number.

It is an amenable number.

56178124928 is an abundant number, since it is smaller than the sum of its proper divisors (62322611932).

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

56178124928 is a wasteful number, since it uses less digits than its factorization.

56178124928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25817184 (or 25817172 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The spelling of 56178124928 in words is "fifty-six billion, one hundred seventy-eight million, one hundred twenty-four thousand, nine hundred twenty-eight".