56575327138 has 48 divisors (see below), whose sum is σ = 93924702144. Its totient is φ = 25346327520.

The previous prime is 56575327117. The next prime is 56575327147. The reversal of 56575327138 is 83172357565.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 70984956 + ... + 70985752.

It is an arithmetic number, because the mean of its divisors is an integer number (1956764628).

Almost surely, 2^56575327138 is an apocalyptic number.

56575327138 is a deficient number, since it is larger than the sum of its proper divisors (37349375006).

56575327138 is a wasteful number, since it uses less digits than its factorization.

56575327138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1116 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 52.

The spelling of 56575327138 in words is "fifty-six billion, five hundred seventy-five million, three hundred twenty-seven thousand, one hundred thirty-eight".