56487175783 has 4 divisors (see below), whose sum is σ = 56740481728. Its totient is φ = 56233869840.

The previous prime is 56487175777. The next prime is 56487175813. The reversal of 56487175783 is 38757178465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56487175783 - 2⁵ = 56487175751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56487175753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126652638 + ... + 126653083.

It is an arithmetic number, because the mean of its divisors is an integer number (14185120432).

Almost surely, 2^56487175783 is an apocalyptic number.

56487175783 is a deficient number, since it is larger than the sum of its proper divisors (253305945).

56487175783 is a wasteful number, since it uses less digits than its factorization.

56487175783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253305944.

The product of its digits is 39513600, while the sum is 61.

The spelling of 56487175783 in words is "fifty-six billion, four hundred eighty-seven million, one hundred seventy-five thousand, seven hundred eighty-three".