505045255 has 16 divisors (see below), whose sum is σ = 712008864. Its totient is φ = 339050880.

The previous prime is 505045207. The next prime is 505045297. The reversal of 505045255 is 552540505.

It is not a de Polignac number, because 505045255 - 2¹³ = 505037063 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 352464 + ... + 353893.

It is an arithmetic number, because the mean of its divisors is an integer number (44500554).

Almost surely, 2^505045255 is an apocalyptic number.

505045255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

505045255 is a deficient number, since it is larger than the sum of its proper divisors (206963609).

505045255 is a wasteful number, since it uses less digits than its factorization.

505045255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706386.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 505045255 is about 22473.2119422213. The cubic root of 505045255 is about 796.3612110922.

It can be divided in two parts, 5050 and 45255, that added together give a palindrome (50305).

The spelling of 505045255 in words is "five hundred five million, forty-five thousand, two hundred fifty-five".