51812976 has 40 divisors (see below), whose sum is σ = 135856384. Its totient is φ = 17012160.

The previous prime is 51812963. The next prime is 51812993. The reversal of 51812976 is 67921815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4840 + ... + 11271.

Almost surely, 2^51812976 is an apocalyptic number.

It is an amenable number.

51812976 is an abundant number, since it is smaller than the sum of its proper divisors (84043408).

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

51812976 is a wasteful number, since it uses less digits than its factorization.

51812976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16189 (or 16183 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 51812976 is about 7198.1230886947. The cubic root of 51812976 is about 372.8030979008.

The spelling of 51812976 in words is "fifty-one million, eight hundred twelve thousand, nine hundred seventy-six".