56138683375 has 8 divisors (see below), whose sum is σ = 70061077008. Its totient is φ = 44910946600.

The previous prime is 56138683327. The next prime is 56138683397. The reversal of 56138683375 is 57338683165.

It is not a de Polignac number, because 56138683375 - 2²⁵ = 56105128943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224554609 + ... + 224554858.

It is an arithmetic number, because the mean of its divisors is an integer number (8757634626).

Almost surely, 2^56138683375 is an apocalyptic number.

56138683375 is a deficient number, since it is larger than the sum of its proper divisors (13922393633).

56138683375 is an equidigital number, since it uses as much as digits as its factorization.

56138683375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449109482 (or 449109472 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 56138683375 in words is "fifty-six billion, one hundred thirty-eight million, six hundred eighty-three thousand, three hundred seventy-five".