51246804 has 24 divisors (see below), whose sum is σ = 136658368. Its totient is φ = 14641920.

The previous prime is 51246733. The next prime is 51246817. The reversal of 51246804 is 40864215.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 304957 + ... + 305124.

Almost surely, 2^51246804 is an apocalyptic number.

It is an amenable number.

51246804 is an abundant number, since it is smaller than the sum of its proper divisors (85411564).

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

51246804 is a wasteful number, since it uses less digits than its factorization.

51246804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610095 (or 610093 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 51246804 is about 7158.6873098355. The cubic root of 51246804 is about 371.4402206265.

The spelling of 51246804 in words is "fifty-one million, two hundred forty-six thousand, eight hundred four".