51352488315860 has 192 divisors, whose sum is σ = 117882221184000. Its totient is φ = 18727703470080.

The previous prime is 51352488315859. The next prime is 51352488315893. The reversal of 51352488315860 is 6851388425315.

It is a self number, because there is not a number n which added to its sum of digits gives 51352488315860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287617496 + ... + 287795984.

It is an arithmetic number, because the mean of its divisors is an integer number (613969902000).

Almost surely, 2^{51352488315860} 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 51352488315860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58941110592000).

51352488315860 is an abundant number, since it is smaller than the sum of its proper divisors (66529732868140).

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

51352488315860 is a wasteful number, since it uses less digits than its factorization.

51352488315860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178834 (or 178832 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 59.

The spelling of 51352488315860 in words is "fifty-one trillion, three hundred fifty-two billion, four hundred eighty-eight million, three hundred fifteen thousand, eight hundred sixty".