51293770704 has 60 divisors (see below), whose sum is σ = 156601441152. Its totient is φ = 15543566400.

The previous prime is 51293770663. The next prime is 51293770721. The reversal of 51293770704 is 40707739215.

It is a self number, because there is not a number n which added to its sum of digits gives 51293770704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16189632 + ... + 16192799.

Almost surely, 2^51293770704 is an apocalyptic number.

It is an amenable number.

51293770704 is an abundant number, since it is smaller than the sum of its proper divisors (105307670448).

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

51293770704 is a wasteful number, since it uses less digits than its factorization.

51293770704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32382456 (or 32382447 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 51293770704 in words is "fifty-one billion, two hundred ninety-three million, seven hundred seventy thousand, seven hundred four".