51704 has 16 divisors (see below), whose sum is σ = 101520. Its totient is φ = 24640.

The previous prime is 51691. The next prime is 51713. The reversal of 51704 is 40715.

It is a happy number.

It is a congruent number.

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, 44 + ... + 324.

It is an arithmetic number, because the mean of its divisors is an integer number (6345).

2⁵¹⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

51704 is a deficient number, since it is larger than the sum of its proper divisors (49816).

51704 is a wasteful number, since it uses less digits than its factorization.

51704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 51704 is about 227.3851358379. The cubic root of 51704 is about 37.2541547548.

The spelling of 51704 in words is "fifty-one thousand, seven hundred four".