51352516645982 has 32 divisors (see below), whose sum is σ = 77169177446400. Its totient is φ = 25629520186368.

The previous prime is 51352516645967. The next prime is 51352516645993. The reversal of 51352516645982 is 28954661525315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19097252894 + ... + 19097255582.

It is an arithmetic number, because the mean of its divisors is an integer number (2411536795200).

Almost surely, 2^{51352516645982} is an apocalyptic number.

51352516645982 is a deficient number, since it is larger than the sum of its proper divisors (25816660800418).

51352516645982 is a wasteful number, since it uses less digits than its factorization.

51352516645982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200.

The product of its digits is 77760000, while the sum is 62.

The spelling of 51352516645982 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred sixteen million, six hundred forty-five thousand, nine hundred eighty-two".