504555500 has 48 divisors (see below), whose sum is σ = 1106230944. Its totient is φ = 201038400.

The previous prime is 504555497. The next prime is 504555517. The reversal of 504555500 is 5555405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136679 + ... + 140321.

It is an arithmetic number, because the mean of its divisors is an integer number (23046478).

Almost surely, 2^504555500 is an apocalyptic number.

504555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504555500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553115472).

504555500 is an abundant number, since it is smaller than the sum of its proper divisors (601675444).

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

504555500 is a wasteful number, since it uses less digits than its factorization.

504555500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 504555500 is about 22462.3128818027. The cubic root of 504555500 is about 796.1037107195.

It can be divided in two parts, 50455 and 5500, that added together give a palindrome (55955).

The spelling of 504555500 in words is "five hundred four million, five hundred fifty-five thousand, five hundred".