56559587506 has 8 divisors (see below), whose sum is σ = 84840870060. Its totient is φ = 28279297488.

The previous prime is 56559587423. The next prime is 56559587521. The reversal of 56559587506 is 60578595565.

It is a happy number.

56559587506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41796122481 + 14763465025 = 204441^2 + 121505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83941 + ... + 346648.

Almost surely, 2^56559587506 is an apocalyptic number.

56559587506 is a deficient number, since it is larger than the sum of its proper divisors (28281282554).

56559587506 is a wasteful number, since it uses less digits than its factorization.

56559587506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496268.

The product of its (nonzero) digits is 56700000, while the sum is 61.

The spelling of 56559587506 in words is "fifty-six billion, five hundred fifty-nine million, five hundred eighty-seven thousand, five hundred six".