51975774 has 24 divisors (see below), whose sum is σ = 113271912. Its totient is φ = 17224080.

The previous prime is 51975769. The next prime is 51975793. The reversal of 51975774 is 47757915.

51975774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5232 + ... + 11459.

It is an arithmetic number, because the mean of its divisors is an integer number (4719663).

Almost surely, 2^51975774 is an apocalyptic number.

51975774 is an abundant number, since it is smaller than the sum of its proper divisors (61296138).

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

51975774 is a wasteful number, since it uses less digits than its factorization.

51975774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16872 (or 16869 counting only the distinct ones).

The product of its digits is 308700, while the sum is 45.

The square root of 51975774 is about 7209.4225843683. The cubic root of 51975774 is about 373.1931426937.

The spelling of 51975774 in words is "fifty-one million, nine hundred seventy-five thousand, seven hundred seventy-four".