51974812 has 6 divisors (see below), whose sum is σ = 90955928. Its totient is φ = 25987404.

The previous prime is 51974801. The next prime is 51974837. The reversal of 51974812 is 21847915.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6496848 + ... + 6496855.

Almost surely, 2^51974812 is an apocalyptic number.

It is an amenable number.

51974812 is a deficient number, since it is larger than the sum of its proper divisors (38981116).

51974812 is a wasteful number, since it uses less digits than its factorization.

51974812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993707 (or 12993705 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 51974812 is about 7209.3558658177. The cubic root of 51974812 is about 373.1908402491.

The spelling of 51974812 in words is "fifty-one million, nine hundred seventy-four thousand, eight hundred twelve".