51792940 has 24 divisors (see below), whose sum is σ = 112275072. Its totient is φ = 20048640.

The previous prime is 51792907. The next prime is 51792959. The reversal of 51792940 is 4929715.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51792940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41149 + ... + 42388.

It is an arithmetic number, because the mean of its divisors is an integer number (4678128).

Almost surely, 2^51792940 is an apocalyptic number.

It is an amenable number.

51792940 is an abundant number, since it is smaller than the sum of its proper divisors (60482132).

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

51792940 is a wasteful number, since it uses less digits than its factorization.

51792940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83577 (or 83575 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 51792940 is about 7196.7312024279. The cubic root of 51792940 is about 372.7550375726.

The spelling of 51792940 in words is "fifty-one million, seven hundred ninety-two thousand, nine hundred forty".