51880192272 has 60 divisors (see below), whose sum is σ = 153733224060. Its totient is φ = 16276137984.

The previous prime is 51880192267. The next prime is 51880192291. The reversal of 51880192272 is 27229108815.

It can be written as a sum of positive squares in 2 ways, for example, as 34115567616 + 17764624656 = 184704^2 + 133284^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10593997 + ... + 10598892.

It is an arithmetic number, because the mean of its divisors is an integer number (2562220401).

Almost surely, 2^51880192272 is an apocalyptic number.

It is an amenable number.

51880192272 is an abundant number, since it is smaller than the sum of its proper divisors (101853031788).

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

51880192272 is a wasteful number, since it uses less digits than its factorization.

51880192272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192920 (or 21192911 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 51880192272 in words is "fifty-one billion, eight hundred eighty million, one hundred ninety-two thousand, two hundred seventy-two".