504397855 has 16 divisors (see below), whose sum is σ = 652952160. Its totient is φ = 371841408.

The previous prime is 504397849. The next prime is 504397891. The reversal of 504397855 is 558793405.

It is a cyclic number.

It is not a de Polignac number, because 504397855 - 2³ = 504397847 is a prime.

It is a super-2 number, since 2×504397855² = 508834392257202050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33516 + ... + 46174.

It is an arithmetic number, because the mean of its divisors is an integer number (40809510).

Almost surely, 2^504397855 is an apocalyptic number.

504397855 is a deficient number, since it is larger than the sum of its proper divisors (148554305).

504397855 is a wasteful number, since it uses less digits than its factorization.

504397855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290.

The product of its (nonzero) digits is 756000, while the sum is 46.

The square root of 504397855 is about 22458.8035077562. The cubic root of 504397855 is about 796.0207896517.

The spelling of 504397855 in words is "five hundred four million, three hundred ninety-seven thousand, eight hundred fifty-five".