51502016696 has 64 divisors (see below), whose sum is σ = 104743800000. Its totient is φ = 23599420416.

The previous prime is 51502016641. The next prime is 51502016723. The reversal of 51502016696 is 69661020515.

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, 10531820 + ... + 10536708.

It is an arithmetic number, because the mean of its divisors is an integer number (1636621875).

Almost surely, 2^51502016696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51502016696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52371900000).

51502016696 is an abundant number, since it is smaller than the sum of its proper divisors (53241783304).

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

51502016696 is a wasteful number, since it uses less digits than its factorization.

51502016696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616 (or 5612 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 51502016696 in words is "fifty-one billion, five hundred two million, sixteen thousand, six hundred ninety-six".