56783816760 has 64 divisors (see below), whose sum is σ = 185837950080. Its totient is φ = 13765773440.

The previous prime is 56783816753. The next prime is 56783816773. The reversal of 56783816760 is 6761838765.

It is a self number, because there is not a number n which added to its sum of digits gives 56783816760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21507702 + ... + 21510341.

It is an arithmetic number, because the mean of its divisors is an integer number (2903717970).

Almost surely, 2^56783816760 is an apocalyptic number.

It is an amenable number.

56783816760 is an abundant number, since it is smaller than the sum of its proper divisors (129054133320).

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

56783816760 is a wasteful number, since it uses less digits than its factorization.

56783816760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43018068 (or 43018064 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 56783816760 in words is "fifty-six billion, seven hundred eighty-three million, eight hundred sixteen thousand, seven hundred sixty".