504405545 has 16 divisors (see below), whose sum is σ = 701235840. Its totient is φ = 341138304.

The previous prime is 504405527. The next prime is 504405553. The reversal of 504405545 is 545504405.

It is a cyclic number.

It is not a de Polignac number, because 504405545 - 2¹⁰ = 504404521 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 96155 + ... + 101264.

It is an arithmetic number, because the mean of its divisors is an integer number (43827240).

Almost surely, 2^504405545 is an apocalyptic number.

It is an amenable number.

504405545 is a deficient number, since it is larger than the sum of its proper divisors (196830295).

504405545 is a wasteful number, since it uses less digits than its factorization.

504405545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197504.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 504405545 is about 22458.9747094564. The cubic root of 504405545 is about 796.0248349827.

The spelling of 504405545 in words is "five hundred four million, four hundred five thousand, five hundred forty-five".