51331092 has 24 divisors (see below), whose sum is σ = 126818496. Its totient is φ = 16103808.

The previous prime is 51331081. The next prime is 51331117. The reversal of 51331092 is 29013315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125608 + ... + 126015.

It is an arithmetic number, because the mean of its divisors is an integer number (5284104).

Almost surely, 2^51331092 is an apocalyptic number.

It is an amenable number.

51331092 is an abundant number, since it is smaller than the sum of its proper divisors (75487404).

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

51331092 is a wasteful number, since it uses less digits than its factorization.

51331092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251647 (or 251645 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 51331092 is about 7164.5720039651. The cubic root of 51331092 is about 371.6437507460.

The spelling of 51331092 in words is "fifty-one million, three hundred thirty-one thousand, ninety-two".