55304 has 16 divisors (see below), whose sum is σ = 107520. Its totient is φ = 26640.

The previous prime is 55291. The next prime is 55313. The reversal of 55304 is 40355.

It is a Smith number, since the sum of its digits (17) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

55304 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 359.

It is an arithmetic number, because the mean of its divisors is an integer number (6720).

2⁵⁵³⁰⁴ is an apocalyptic number.

It is an amenable number.

55304 is a deficient number, since it is larger than the sum of its proper divisors (52216).

55304 is a wasteful number, since it uses less digits than its factorization.

55304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 55304 is about 235.1680250374. The cubic root of 55304 is about 38.0994624284.

Adding to 55304 its reverse (40355), we get a palindrome (95659).

The spelling of 55304 in words is "fifty-five thousand, three hundred four".