51705038552 has 24 divisors (see below), whose sum is σ = 102985170060. Its totient is φ = 24331781760.

The previous prime is 51705038549. The next prime is 51705038557. The reversal of 51705038552 is 25583050715.

It is a super-2 number, since 2×51705038552² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51705038557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11179574 + ... + 11184197.

Almost surely, 2^51705038552 is an apocalyptic number.

It is an amenable number.

51705038552 is a deficient number, since it is larger than the sum of its proper divisors (51280131508).

51705038552 is a wasteful number, since it uses less digits than its factorization.

51705038552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22363811 (or 22363790 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 51705038552 in words is "fifty-one billion, seven hundred five million, thirty-eight thousand, five hundred fifty-two".