56605655506 has 8 divisors (see below), whose sum is σ = 84945455100. Its totient is φ = 28290503808.

The previous prime is 56605655501. The next prime is 56605655527. The reversal of 56605655506 is 60555650665.

It can be written as a sum of positive squares in 2 ways, for example, as 56141037481 + 464618025 = 236941^2 + 21555^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 56605655506.

It is not an unprimeable number, because it can be changed into a prime (56605655501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6156231 + ... + 6165418.

Almost surely, 2^56605655506 is an apocalyptic number.

56605655506 is a deficient number, since it is larger than the sum of its proper divisors (28339799594).

56605655506 is a wasteful number, since it uses less digits than its factorization.

56605655506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12323948.

The product of its (nonzero) digits is 4050000, while the sum is 49.

The spelling of 56605655506 in words is "fifty-six billion, six hundred five million, six hundred fifty-five thousand, five hundred six".