56503583975 has 12 divisors (see below), whose sum is σ = 70786761024. Its totient is φ = 44736856320.

The previous prime is 56503583971. The next prime is 56503583989. The reversal of 56503583975 is 57938530565.

56503583975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56503583975 - 2² = 56503583971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56503583975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56503583971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11647799 + ... + 11652648.

It is an arithmetic number, because the mean of its divisors is an integer number (5898896752).

Almost surely, 2^56503583975 is an apocalyptic number.

56503583975 is a deficient number, since it is larger than the sum of its proper divisors (14283177049).

56503583975 is a wasteful number, since it uses less digits than its factorization.

56503583975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23300554 (or 23300549 counting only the distinct ones).

The product of its (nonzero) digits is 17010000, while the sum is 56.

The spelling of 56503583975 in words is "fifty-six billion, five hundred three million, five hundred eighty-three thousand, nine hundred seventy-five".