51052561518608 has 60 divisors (see below), whose sum is σ = 112745710754640. Its totient is φ = 22322577483648.

The previous prime is 51052561518571. The next prime is 51052561518667. The reversal of 51052561518608 is 80681516525015.

It is a super-2 number, since 2×51052561518608² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51052561518608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496800866 + ... + 496903617.

It is an arithmetic number, because the mean of its divisors is an integer number (1879095179244).

Almost surely, 2^{51052561518608} is an apocalyptic number.

It is an amenable number.

51052561518608 is an abundant number, since it is smaller than the sum of its proper divisors (61693149236032).

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

51052561518608 is a wasteful number, since it uses less digits than its factorization.

51052561518608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993704536 (or 993704517 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 53.

The spelling of 51052561518608 in words is "fifty-one trillion, fifty-two billion, five hundred sixty-one million, five hundred eighteen thousand, six hundred eight".