56838631939599 has 16 divisors (see below), whose sum is σ = 76698787882752. Its totient is φ = 37435459060608.

The previous prime is 56838631939547. The next prime is 56838631939651. The reversal of 56838631939599 is 99593913683865.

It is a Cunningham number, because it is equal to 7539140²-1.

It is an interprime number because it is at equal distance from previous prime (56838631939547) and next prime (56838631939651).

It is not a de Polignac number, because 56838631939599 - 2²⁰ = 56838630891023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56838631939099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21360894 + ... + 23873940.

It is an arithmetic number, because the mean of its divisors is an integer number (4793674242672).

Almost surely, 2^{56838631939599} is an apocalyptic number.

56838631939599 is a deficient number, since it is larger than the sum of its proper divisors (19860155943153).

56838631939599 is a wasteful number, since it uses less digits than its factorization.

56838631939599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603966.

The product of its digits is 10203667200, while the sum is 84.

The spelling of 56838631939599 in words is "fifty-six trillion, eight hundred thirty-eight billion, six hundred thirty-one million, nine hundred thirty-nine thousand, five hundred ninety-nine".