505852557 has 16 divisors (see below), whose sum is σ = 776896512. Its totient is φ = 286781040.

The previous prime is 505852549. The next prime is 505852573. The reversal of 505852557 is 755258505.

It is not a de Polignac number, because 505852557 - 2³ = 505852549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505852537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92169 + ... + 97502.

It is an arithmetic number, because the mean of its divisors is an integer number (48556032).

Almost surely, 2^505852557 is an apocalyptic number.

It is an amenable number.

505852557 is a deficient number, since it is larger than the sum of its proper divisors (271043955).

505852557 is a wasteful number, since it uses less digits than its factorization.

505852557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189808.

The product of its (nonzero) digits is 350000, while the sum is 42.

The square root of 505852557 is about 22491.1661991992. The cubic root of 505852557 is about 796.7853062538.

The spelling of 505852557 in words is "five hundred five million, eight hundred fifty-two thousand, five hundred fifty-seven".