51700565919882 has 32 divisors (see below), whose sum is σ = 112801508003520. Its totient is φ = 15666800203520.

The previous prime is 51700565919817. The next prime is 51700565919883. The reversal of 51700565919882 is 28891956500715.

It is a super-2 number, since 2×51700565919882² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (51700565919883) 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, 39405544 + ... + 40696412.

It is an arithmetic number, because the mean of its divisors is an integer number (3525047125110).

Almost surely, 2^{51700565919882} is an apocalyptic number.

51700565919882 is an abundant number, since it is smaller than the sum of its proper divisors (61100942083638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51700565919882 is a wasteful number, since it uses less digits than its factorization.

51700565919882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897718.

The product of its (nonzero) digits is 54432000, while the sum is 66.

The spelling of 51700565919882 in words is "fifty-one trillion, seven hundred billion, five hundred sixty-five million, nine hundred nineteen thousand, eight hundred eighty-two".