504855 has 24 divisors (see below), whose sum is σ = 943488. Its totient is φ = 248256.

The previous prime is 504853. The next prime is 504857. The reversal of 504855 is 558405.

It is an interprime number because it is at equal distance from previous prime (504853) and next prime (504857).

It is not a de Polignac number, because 504855 - 2¹ = 504853 is a prime.

It is a d-powerful number, because it can be written as 5⁶ + 0 + 8⁴ + 4⁷ + 5⁷ + 5⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504851) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 154 + ... + 1016.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁵⁰⁴⁸⁵⁵ is an apocalyptic number.

504855 is a deficient number, since it is larger than the sum of its proper divisors (438633).

504855 is a wasteful number, since it uses less digits than its factorization.

504855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 504855 is about 710.5314912092. The cubic root of 504855 is about 79.6261199770.

The spelling of 504855 in words is "five hundred four thousand, eight hundred fifty-five".