51799988160 has 448 divisors, whose sum is σ = 193768919040. Its totient is φ = 13003960320.

The previous prime is 51799988147. The next prime is 51799988179. The reversal of 51799988160 is 6188999715.

It is a super-2 number, since 2×51799988160² (a number of 22 digits) contains 22 as substring.

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, 9907467 + ... + 9912693.

Almost surely, 2^51799988160 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 51799988160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96884459520).

51799988160 is an abundant number, since it is smaller than the sum of its proper divisors (141968930880).

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

51799988160 is a wasteful number, since it uses less digits than its factorization.

51799988160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321 (or 5305 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 63.

The spelling of 51799988160 in words is "fifty-one billion, seven hundred ninety-nine million, nine hundred eighty-eight thousand, one hundred sixty".