51657083628684 has 48 divisors (see below), whose sum is σ = 120561163430400. Its totient is φ = 17215032878080.

The previous prime is 51657083628659. The next prime is 51657083628763. The reversal of 51657083628684 is 48682638075615.

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, 1598235244 + ... + 1598267564.

It is an arithmetic number, because the mean of its divisors is an integer number (2511690904800).

Almost surely, 2^{51657083628684} is an apocalyptic number.

It is an amenable number.

51657083628684 is an abundant number, since it is smaller than the sum of its proper divisors (68904079801716).

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

51657083628684 is a wasteful number, since it uses less digits than its factorization.

51657083628684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59110 (or 59108 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 69.

The spelling of 51657083628684 in words is "fifty-one trillion, six hundred fifty-seven billion, eighty-three million, six hundred twenty-eight thousand, six hundred eighty-four".