51683504 has 20 divisors (see below), whose sum is σ = 100256976. Its totient is φ = 25810752.

The previous prime is 51683497. The next prime is 51683537. The reversal of 51683504 is 40538615.

It is a happy number.

It is a Smith number, since the sum of its digits (32) 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, 18077 + ... + 20739.

Almost surely, 2^51683504 is an apocalyptic number.

It is an amenable number.

51683504 is a deficient number, since it is larger than the sum of its proper divisors (48573472).

51683504 is a wasteful number, since it uses less digits than its factorization.

51683504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 51683504 is about 7189.1240078329. The cubic root of 51683504 is about 372.4923146020.

The spelling of 51683504 in words is "fifty-one million, six hundred eighty-three thousand, five hundred four".