56596718890 has 16 divisors (see below), whose sum is σ = 101876904360. Its totient is φ = 22638063040.

The previous prime is 56596718791. The next prime is 56596718897. The reversal of 56596718890 is 9881769565.

It can be written as a sum of positive squares in 4 ways, for example, as 55907183809 + 689535081 = 236447^2 + 26259^2 .

It is a super-2 number, since 2×56596718890² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56596718897) 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 in 7 ways as a sum of consecutive naturals, for example, 522756 + ... + 621664.

Almost surely, 2^56596718890 is an apocalyptic number.

56596718890 is a deficient number, since it is larger than the sum of its proper divisors (45280185470).

56596718890 is a wasteful number, since it uses less digits than its factorization.

56596718890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156137.

The product of its (nonzero) digits is 32659200, while the sum is 64.

The spelling of 56596718890 in words is "fifty-six billion, five hundred ninety-six million, seven hundred eighteen thousand, eight hundred ninety".