51912992 has 24 divisors (see below), whose sum is σ = 102864636. Its totient is φ = 25788672.

The previous prime is 51912989. The next prime is 51913009. The reversal of 51912992 is 29921915.

It can be written as a sum of positive squares in 2 ways, for example, as 51897616 + 15376 = 7204^2 + 124^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 10190.

Almost surely, 2^51912992 is an apocalyptic number.

It is an amenable number.

51912992 is a deficient number, since it is larger than the sum of its proper divisors (50951644).

51912992 is a wasteful number, since it uses less digits than its factorization.

51912992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500 (or 10492 counting only the distinct ones).

The product of its digits is 14580, while the sum is 38.

The square root of 51912992 is about 7205.0671058638. The cubic root of 51912992 is about 373.0428210464.

The spelling of 51912992 in words is "fifty-one million, nine hundred twelve thousand, nine hundred ninety-two".