504645955455 has 32 divisors (see below), whose sum is σ = 850149446400. Its totient is φ = 254913184512.

The previous prime is 504645955447. The next prime is 504645955507. The reversal of 504645955455 is 554559546405.

It is not a de Polignac number, because 504645955455 - 2³ = 504645955447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 504645955395 and 504645955404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886891 + ... + 1340099.

It is an arithmetic number, because the mean of its divisors is an integer number (26567170200).

Almost surely, 2^504645955455 is an apocalyptic number.

504645955455 is a deficient number, since it is larger than the sum of its proper divisors (345503490945).

504645955455 is a wasteful number, since it uses less digits than its factorization.

504645955455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457143.

The product of its (nonzero) digits is 54000000, while the sum is 57.

The spelling of 504645955455 in words is "five hundred four billion, six hundred forty-five million, nine hundred fifty-five thousand, four hundred fifty-five".