51795902616 has 16 divisors (see below), whose sum is σ = 129489756600. Its totient is φ = 17265300864.

The previous prime is 51795902579. The next prime is 51795902629. The reversal of 51795902616 is 61620959715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079081281 + ... + 1079081328.

Almost surely, 2^51795902616 is an apocalyptic number.

It is an amenable number.

51795902616 is an abundant number, since it is smaller than the sum of its proper divisors (77693853984).

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

51795902616 is a wasteful number, since it uses less digits than its factorization.

51795902616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158162618 (or 2158162614 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 51.

The spelling of 51795902616 in words is "fifty-one billion, seven hundred ninety-five million, nine hundred two thousand, six hundred sixteen".