51583116923 has 16 divisors (see below), whose sum is σ = 56918084832. Its totient is φ = 46443936000.

The previous prime is 51583116919. The next prime is 51583116941. The reversal of 51583116923 is 32961138515.

It is a cyclic number.

It is not a de Polignac number, because 51583116923 - 2² = 51583116919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51583119923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3836753 + ... + 3850173.

It is an arithmetic number, because the mean of its divisors is an integer number (3557380302).

Almost surely, 2^51583116923 is an apocalyptic number.

51583116923 is a deficient number, since it is larger than the sum of its proper divisors (5334967909).

51583116923 is a wasteful number, since it uses less digits than its factorization.

51583116923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20686.

The product of its digits is 194400, while the sum is 44.

The spelling of 51583116923 in words is "fifty-one billion, five hundred eighty-three million, one hundred sixteen thousand, nine hundred twenty-three".