51904304 has 20 divisors (see below), whose sum is σ = 101563440. Its totient is φ = 25694400.

The previous prime is 51904291. The next prime is 51904313. The reversal of 51904304 is 40340915.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14444 + ... + 17675.

It is an arithmetic number, because the mean of its divisors is an integer number (5078172).

Almost surely, 2^51904304 is an apocalyptic number.

It is an amenable number.

51904304 is a deficient number, since it is larger than the sum of its proper divisors (49659136).

51904304 is a wasteful number, since it uses less digits than its factorization.

51904304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32228 (or 32222 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51904304 is about 7204.4641716092. The cubic root of 51904304 is about 373.0220094491.

The spelling of 51904304 in words is "fifty-one million, nine hundred four thousand, three hundred four".