51992327120 has 20 divisors (see below), whose sum is σ = 120882160740. Its totient is φ = 20796930816.

The previous prime is 51992327119. The next prime is 51992327129. The reversal of 51992327120 is 2172329915.

It can be written as a sum of positive squares in 2 ways, for example, as 23717232016 + 28275095104 = 154004^2 + 168152^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51992327129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324951965 + ... + 324952124.

It is an arithmetic number, because the mean of its divisors is an integer number (6044108037).

Almost surely, 2^51992327120 is an apocalyptic number.

It is an amenable number.

51992327120 is an abundant number, since it is smaller than the sum of its proper divisors (68889833620).

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

51992327120 is a wasteful number, since it uses less digits than its factorization.

51992327120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649904102 (or 649904096 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 51992327120 in words is "fifty-one billion, nine hundred ninety-two million, three hundred twenty-seven thousand, one hundred twenty".