56620216730 has 32 divisors (see below), whose sum is σ = 127064592000. Its totient is φ = 17647859520.

The previous prime is 56620216729. The next prime is 56620216789. The reversal of 56620216730 is 3761202665.

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, 36765605 + ... + 36767144.

It is an arithmetic number, because the mean of its divisors is an integer number (3970768500).

Almost surely, 2^56620216730 is an apocalyptic number.

56620216730 is an abundant number, since it is smaller than the sum of its proper divisors (70444375270).

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

56620216730 is a wasteful number, since it uses less digits than its factorization.

56620216730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73532774.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 56620216730 in words is "fifty-six billion, six hundred twenty million, two hundred sixteen thousand, seven hundred thirty".