51316503588 has 192 divisors, whose sum is σ = 154626734080. Its totient is φ = 14414184576.

The previous prime is 51316503587. The next prime is 51316503631. The reversal of 51316503588 is 88530561315.

51316503588 is a `hidden beast` number, since 5 + 1 + 3 + 1 + 65 + 0 + 3 + 588 = 666.

It is not an unprimeable number, because it can be changed into a prime (51316503587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45940806 + ... + 45941922.

Almost surely, 2^51316503588 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 51316503588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77313367040).

51316503588 is an abundant number, since it is smaller than the sum of its proper divisors (103310230492).

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

51316503588 is a wasteful number, since it uses less digits than its factorization.

51316503588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 51316503588 in words is "fifty-one billion, three hundred sixteen million, five hundred three thousand, five hundred eighty-eight".