56609840780 has 24 divisors (see below), whose sum is σ = 119163060240. Its totient is φ = 22590146880.

The previous prime is 56609840753. The next prime is 56609840801. The reversal of 56609840780 is 8704890665.

It is an unprimeable number.

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, 3353210 + ... + 3370049.

It is an arithmetic number, because the mean of its divisors is an integer number (4965127510).

Almost surely, 2^56609840780 is an apocalyptic number.

It is an amenable number.

56609840780 is an abundant number, since it is smaller than the sum of its proper divisors (62553219460).

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

56609840780 is a wasteful number, since it uses less digits than its factorization.

56609840780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723689 (or 6723687 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 56609840780 in words is "fifty-six billion, six hundred nine million, eight hundred forty thousand, seven hundred eighty".