56388978573670 has 16 divisors (see below), whose sum is σ = 101502820375200. Its totient is φ = 22555000553344.

The previous prime is 56388978573623. The next prime is 56388978573673. The reversal of 56388978573670 is 7637587988365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56388978573673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73458595 + ... + 74222254.

It is an arithmetic number, because the mean of its divisors is an integer number (6343926273450).

Almost surely, 2^{56388978573670} is an apocalyptic number.

56388978573670 is a deficient number, since it is larger than the sum of its proper divisors (45113841801530).

56388978573670 is a wasteful number, since it uses less digits than its factorization.

56388978573670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147719039.

The product of its (nonzero) digits is 12802406400, while the sum is 82.

The spelling of 56388978573670 in words is "fifty-six trillion, three hundred eighty-eight billion, nine hundred seventy-eight million, five hundred seventy-three thousand, six hundred seventy".