51588867216 has 80 divisors (see below), whose sum is σ = 141399217728. Its totient is φ = 16151654400.

The previous prime is 51588867181. The next prime is 51588867229. The reversal of 51588867216 is 61276888515.

It is a super-2 number, since 2×51588867216² (a number of 22 digits) contains 22 as substring.

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, 336276 + ... + 465036.

Almost surely, 2^51588867216 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 51588867216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70699608864).

51588867216 is an abundant number, since it is smaller than the sum of its proper divisors (89810350512).

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

51588867216 is a wasteful number, since it uses less digits than its factorization.

51588867216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129280 (or 129274 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 57.

The spelling of 51588867216 in words is "fifty-one billion, five hundred eighty-eight million, eight hundred sixty-seven thousand, two hundred sixteen".