56566359336498 has 64 divisors (see below), whose sum is σ = 123638167186560. Its totient is φ = 17110692032000.

The previous prime is 56566359336349. The next prime is 56566359336521. The reversal of 56566359336498 is 89463395366565.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128816686 + ... + 129255062.

It is an arithmetic number, because the mean of its divisors is an integer number (1931846362290).

Almost surely, 2^{56566359336498} is an apocalyptic number.

56566359336498 is an abundant number, since it is smaller than the sum of its proper divisors (67071807850062).

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

56566359336498 is a wasteful number, since it uses less digits than its factorization.

56566359336498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441883.

The product of its digits is 11337408000, while the sum is 78.

The spelling of 56566359336498 in words is "fifty-six trillion, five hundred sixty-six billion, three hundred fifty-nine million, three hundred thirty-six thousand, four hundred ninety-eight".