504550000 has 60 divisors (see below), whose sum is σ = 1221999912. Its totient is φ = 201800000.

The previous prime is 504549967. The next prime is 504550001. The reversal of 504550000 is 55405.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 504550000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504550001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44955 + ... + 55045.

Almost surely, 2^504550000 is an apocalyptic number.

504550000 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 504550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610999956).

504550000 is an abundant number, since it is smaller than the sum of its proper divisors (717449912).

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

504550000 is an equidigital number, since it uses as much as digits as its factorization.

504550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 504550000 is about 22462.1904541832. The cubic root of 504550000 is about 796.1008180174.

The spelling of 504550000 in words is "five hundred four million, five hundred fifty thousand".