51077904 has 40 divisors (see below), whose sum is σ = 132735552. Its totient is φ = 16924800.

The previous prime is 51077899. The next prime is 51077933. The reversal of 51077904 is 40977015.

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, 5229 + ... + 11379.

Almost surely, 2^51077904 is an apocalyptic number.

It is an amenable number.

51077904 is an abundant number, since it is smaller than the sum of its proper divisors (81657648).

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

51077904 is a wasteful number, since it uses less digits than its factorization.

51077904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335 (or 6329 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 51077904 is about 7146.8807181875. The cubic root of 51077904 is about 371.0317053813.

The spelling of 51077904 in words is "fifty-one million, seventy-seven thousand, nine hundred four".