56556660713740 has 48 divisors (see below), whose sum is σ = 129590958680064. Its totient is φ = 20562123441600.

The previous prime is 56556660713719. The next prime is 56556660713771. The reversal of 56556660713740 is 4731706665565.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23441196 + ... + 25741075.

It is an arithmetic number, because the mean of its divisors is an integer number (2699811639168).

Almost surely, 2^{56556660713740} is an apocalyptic number.

It is an amenable number.

56556660713740 is an abundant number, since it is smaller than the sum of its proper divisors (73034297966324).

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

56556660713740 is a wasteful number, since it uses less digits than its factorization.

56556660713740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49187518 (or 49187516 counting only the distinct ones).

The product of its (nonzero) digits is 95256000, while the sum is 61.

The spelling of 56556660713740 in words is "fifty-six trillion, five hundred fifty-six billion, six hundred sixty million, seven hundred thirteen thousand, seven hundred forty".