56500605560 has 32 divisors (see below), whose sum is σ = 145287272160. Its totient is φ = 19371636096.

The previous prime is 56500605503. The next prime is 56500605563. The reversal of 56500605560 is 6550600565.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56500605563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100893659 + ... + 100894218.

It is an arithmetic number, because the mean of its divisors is an integer number (4540227255).

Almost surely, 2^56500605560 is an apocalyptic number.

It is an amenable number.

56500605560 is an abundant number, since it is smaller than the sum of its proper divisors (88786666600).

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

56500605560 is a wasteful number, since it uses less digits than its factorization.

56500605560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201787895 (or 201787891 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 56500605560 in words is "fifty-six billion, five hundred million, six hundred five thousand, five hundred sixty".