51974968 has 8 divisors (see below), whose sum is σ = 97453080. Its totient is φ = 25987480.

The previous prime is 51974957. The next prime is 51974981. The reversal of 51974968 is 86947915.

It is a tau number, because it is divible by the number of its divisors (8).

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, 3248428 + ... + 3248443.

It is an arithmetic number, because the mean of its divisors is an integer number (12181635).

Almost surely, 2^51974968 is an apocalyptic number.

It is an amenable number.

51974968 is a deficient number, since it is larger than the sum of its proper divisors (45478112).

51974968 is a wasteful number, since it uses less digits than its factorization.

51974968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496877 (or 6496873 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 51974968 is about 7209.3666850841. The cubic root of 51974968 is about 373.1912136205.

The spelling of 51974968 in words is "fifty-one million, nine hundred seventy-four thousand, nine hundred sixty-eight".