504500090 has 8 divisors (see below), whose sum is σ = 908100180. Its totient is φ = 201800032.

The previous prime is 504500089. The next prime is 504500119. The reversal of 504500090 is 90005405.

It can be written as a sum of positive squares in 2 ways, for example, as 477553609 + 26946481 = 21853^2 + 5191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 25224995 + ... + 25225014.

Almost surely, 2^504500090 is an apocalyptic number.

504500090 is a deficient number, since it is larger than the sum of its proper divisors (403600090).

504500090 is a wasteful number, since it uses less digits than its factorization.

504500090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50450016.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 504500090 is about 22461.0794486819. The cubic root of 504500090 is about 796.0745670994.

Adding to 504500090 its reverse (90005405), we get a palindrome (594505495).

The spelling of 504500090 in words is "five hundred four million, five hundred thousand, ninety".