505503204 has 12 divisors (see below), whose sum is σ = 1179507504. Its totient is φ = 168501064.

The previous prime is 505503199. The next prime is 505503217. The reversal of 505503204 is 402305505.

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, 21062622 + ... + 21062645.

It is an arithmetic number, because the mean of its divisors is an integer number (98292292).

Almost surely, 2^505503204 is an apocalyptic number.

It is an amenable number.

505503204 is an abundant number, since it is smaller than the sum of its proper divisors (674004300).

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

505503204 is a wasteful number, since it uses less digits than its factorization.

505503204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42125274 (or 42125272 counting only the distinct ones).

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

The square root of 505503204 is about 22483.3984086036. The cubic root of 505503204 is about 796.6018381410.

Adding to 505503204 its reverse (402305505), we get a palindrome (907808709).

The spelling of 505503204 in words is "five hundred five million, five hundred three thousand, two hundred four".