51710681096424 has 144 divisors (see below), whose sum is σ = 162945636218820. Its totient is φ = 14771704550400.

The previous prime is 51710681096377. The next prime is 51710681096429. The reversal of 51710681096424 is 42469018601715.

51710681096424 is a `hidden beast` number, since 5 + 1 + 7 + 106 + 8 + 109 + 6 + 424 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48008020003524 + 3702661092900 = 6928782^2 + 1924230^2 .

It is not an unprimeable number, because it can be changed into a prime (51710681096429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17440624 + ... + 20189024.

Almost surely, 2^{51710681096424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51710681096424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81472818109410).

51710681096424 is an abundant number, since it is smaller than the sum of its proper divisors (111234955122396).

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

51710681096424 is a wasteful number, since it uses less digits than its factorization.

51710681096424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753760 (or 2753746 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 51710681096424 in words is "fifty-one trillion, seven hundred ten billion, six hundred eighty-one million, ninety-six thousand, four hundred twenty-four".