51974902 has 32 divisors (see below), whose sum is σ = 92692800. Its totient is φ = 21385728.

The previous prime is 51974887. The next prime is 51974953. The reversal of 51974902 is 20947915.

51974902 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 15 ways as a sum of consecutive naturals, for example, 126874 + ... + 127282.

It is an arithmetic number, because the mean of its divisors is an integer number (2896650).

Almost surely, 2^51974902 is an apocalyptic number.

51974902 is a deficient number, since it is larger than the sum of its proper divisors (40717898).

51974902 is a wasteful number, since it uses less digits than its factorization.

51974902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

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

The square root of 51974902 is about 7209.3621077041. The cubic root of 51974902 is about 373.1910556558.

The spelling of 51974902 in words is "fifty-one million, nine hundred seventy-four thousand, nine hundred two".