53804 has 6 divisors (see below), whose sum is σ = 94164.
Its totient is φ = 26900.
The previous prime is 53791. The next prime is 53813. The reversal of 53804 is 40835.
Adding to 53804 its sum of digits (20), we get a square (53824 = 2322).
53804 is nontrivially palindromic in base 11.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722 + ... + 6729.
It is an arithmetic number, because the mean of its divisors is an integer number (15694).
253804 is an apocalyptic number.
It is an amenable number.
53804 is a deficient number, since it is larger than the sum of its proper divisors (40360).
53804 is a wasteful number, since it uses less digits than its factorization.
53804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13455 (or 13453 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 53804 is about 231.9568925469.
The cubic root of 53804 is about 37.7518455891.
The spelling of 53804 in words is "fifty-three thousand, eight hundred four".