51701707056 has 20 divisors (see below), whose sum is σ = 133562743352. Its totient is φ = 17233902336.

The previous prime is 51701707049. The next prime is 51701707069. The reversal of 51701707056 is 65070710715.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538559401 + ... + 538559496.

Almost surely, 2^51701707056 is an apocalyptic number.

It is an amenable number.

51701707056 is an abundant number, since it is smaller than the sum of its proper divisors (81861036296).

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

51701707056 is a wasteful number, since it uses less digits than its factorization.

51701707056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077118908 (or 1077118902 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 39.

It can be divided in two parts, 51 and 701707056, that added together give a palindrome (701707107).

The spelling of 51701707056 in words is "fifty-one billion, seven hundred one million, seven hundred seven thousand, fifty-six".