56983275780 has 96 divisors (see below), whose sum is σ = 163434843264. Its totient is φ = 14826599424.

The previous prime is 56983275731. The next prime is 56983275793. The reversal of 56983275780 is 8757238965.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2561184 + ... + 2583336.

It is an arithmetic number, because the mean of its divisors is an integer number (1702446284).

Almost surely, 2^56983275780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56983275780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81717421632).

56983275780 is an abundant number, since it is smaller than the sum of its proper divisors (106451567484).

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

56983275780 is a wasteful number, since it uses less digits than its factorization.

56983275780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23205 (or 23203 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 56983275780 in words is "fifty-six billion, nine hundred eighty-three million, two hundred seventy-five thousand, seven hundred eighty".