55204 has 12 divisors (see below), whose sum is σ = 99484. Its totient is φ = 26784.

The previous prime is 55201. The next prime is 55207. The reversal of 55204 is 40255.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55201) and next prime (55207).

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 14400 = 202^2 + 120^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39 + ... + 334.

2⁵⁵²⁰⁴ is an apocalyptic number.

It is an amenable number.

55204 is a deficient number, since it is larger than the sum of its proper divisors (44280).

55204 is a wasteful number, since it uses less digits than its factorization.

55204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 55204 is about 234.9553149005. The cubic root of 55204 is about 38.0764849167.

Adding to 55204 its reverse (40255), we get a palindrome (95459).

The spelling of 55204 in words is "fifty-five thousand, two hundred four".