51924388585 has 32 divisors (see below), whose sum is σ = 64633863168. Its totient is φ = 40020414720.

The previous prime is 51924388577. The next prime is 51924388589. The reversal of 51924388585 is 58588342915.

It is not a de Polignac number, because 51924388585 - 2³ = 51924388577 is a prime.

It is a super-2 number, since 2×51924388585² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51924388589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11038344 + ... + 11043046.

It is an arithmetic number, because the mean of its divisors is an integer number (2019808224).

Almost surely, 2^51924388585 is an apocalyptic number.

It is an amenable number.

51924388585 is a deficient number, since it is larger than the sum of its proper divisors (12709474583).

51924388585 is a wasteful number, since it uses less digits than its factorization.

51924388585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505.

The product of its digits is 13824000, while the sum is 58.

The spelling of 51924388585 in words is "fifty-one billion, nine hundred twenty-four million, three hundred eighty-eight thousand, five hundred eighty-five".