55305204 has 24 divisors (see below), whose sum is σ = 133496160. Its totient is φ = 17799264.

The previous prime is 55305203. The next prime is 55305221. The reversal of 55305204 is 40250355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55305203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79114 + ... + 79809.

It is an arithmetic number, because the mean of its divisors is an integer number (5562340).

Almost surely, 2^55305204 is an apocalyptic number.

It is an amenable number.

55305204 is an abundant number, since it is smaller than the sum of its proper divisors (78190956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55305204 is a wasteful number, since it uses less digits than its factorization.

55305204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158959 (or 158957 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55305204 is about 7436.7468694316. The cubic root of 55305204 is about 380.9973890880.

Adding to 55305204 its reverse (40250355), we get a palindrome (95555559).

The spelling of 55305204 in words is "fifty-five million, three hundred five thousand, two hundred four".