51886983372 has 120 divisors (see below), whose sum is σ = 142498342896. Its totient is φ = 14692737024.

The previous prime is 51886983341. The next prime is 51886983383. The reversal of 51886983372 is 27338968815.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3247788 + ... + 3263724.

Almost surely, 2^51886983372 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 51886983372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71249171448).

51886983372 is an abundant number, since it is smaller than the sum of its proper divisors (90611359524).

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

51886983372 is a wasteful number, since it uses less digits than its factorization.

51886983372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16085 (or 16062 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The spelling of 51886983372 in words is "fifty-one billion, eight hundred eighty-six million, nine hundred eighty-three thousand, three hundred seventy-two".