55503204 has 12 divisors (see below), whose sum is σ = 129507504. Its totient is φ = 18501064.

The previous prime is 55503197. The next prime is 55503223. The reversal of 55503204 is 40230555.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2312622 + ... + 2312645.

It is an arithmetic number, because the mean of its divisors is an integer number (10792292).

Almost surely, 2^55503204 is an apocalyptic number.

It is an amenable number.

55503204 is an abundant number, since it is smaller than the sum of its proper divisors (74004300).

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

55503204 is a wasteful number, since it uses less digits than its factorization.

55503204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625274 (or 4625272 counting only the distinct ones).

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

The square root of 55503204 is about 7450.0472481723. The cubic root of 55503204 is about 381.4515213746.

Adding to 55503204 its reverse (40230555), we get a palindrome (95733759).

The spelling of 55503204 in words is "fifty-five million, five hundred three thousand, two hundred four".