56620216790 has 16 divisors (see below), whose sum is σ = 107280411120. Its totient is φ = 21456082080.

The previous prime is 56620216789. The next prime is 56620216799. The reversal of 56620216790 is 9761202665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56620216799) 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, 149000381 + ... + 149000760.

It is an arithmetic number, because the mean of its divisors is an integer number (6705025695).

Almost surely, 2^56620216790 is an apocalyptic number.

56620216790 is a deficient number, since it is larger than the sum of its proper divisors (50660194330).

56620216790 is a wasteful number, since it uses less digits than its factorization.

56620216790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298001167.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 56620216790 in words is "fifty-six billion, six hundred twenty million, two hundred sixteen thousand, seven hundred ninety".