56623043982 has 16 divisors (see below), whose sum is σ = 117151125840. Its totient is φ = 18223508352.

The previous prime is 56623043969. The next prime is 56623043993. The reversal of 56623043982 is 28934032665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162709723 + ... + 162710070.

It is an arithmetic number, because the mean of its divisors is an integer number (7321945365).

Almost surely, 2^56623043982 is an apocalyptic number.

56623043982 is an abundant number, since it is smaller than the sum of its proper divisors (60528081858).

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

56623043982 is a wasteful number, since it uses less digits than its factorization.

56623043982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325419827.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 56623043982 in words is "fifty-six billion, six hundred twenty-three million, forty-three thousand, nine hundred eighty-two".