51732808706768 has 80 divisors (see below), whose sum is σ = 117448238831616. Its totient is φ = 21612540458880.

The previous prime is 51732808706743. The next prime is 51732808706779. The reversal of 51732808706768 is 86760780823715.

It is a junction number, because it is equal to n+sod(n) for n = 51732808706698 and 51732808706707.

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, 8255348 + ... + 13100243.

Almost surely, 2^{51732808706768} is an apocalyptic number.

It is an amenable number.

51732808706768 is an abundant number, since it is smaller than the sum of its proper divisors (65715430124848).

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

51732808706768 is a wasteful number, since it uses less digits than its factorization.

51732808706768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21356152 (or 21356146 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 68.

The spelling of 51732808706768 in words is "fifty-one trillion, seven hundred thirty-two billion, eight hundred eight million, seven hundred six thousand, seven hundred sixty-eight".