504499553 has 2 divisors, whose sum is σ = 504499554. Its totient is φ = 504499552.

The previous prime is 504499493. The next prime is 504499559. The reversal of 504499553 is 355994405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452327824 + 52171729 = 21268^2 + 7223^2 .

It is a cyclic number.

It is not a de Polignac number, because 504499553 - 2⁸ = 504499297 is a prime.

It is not a weakly prime, because it can be changed into another prime (504499559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252249776 + 252249777.

It is an arithmetic number, because the mean of its divisors is an integer number (252249777).

Almost surely, 2^504499553 is an apocalyptic number.

It is an amenable number.

504499553 is a deficient number, since it is larger than the sum of its proper divisors (1).

504499553 is an equidigital number, since it uses as much as digits as its factorization.

504499553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 504499553 is about 22461.0674946673. The cubic root of 504499553 is about 796.0742846467.

The spelling of 504499553 in words is "five hundred four million, four hundred ninety-nine thousand, five hundred fifty-three".