505357755 has 16 divisors (see below), whose sum is σ = 924082944. Its totient is φ = 231020640.

The previous prime is 505357747. The next prime is 505357777. The reversal of 505357755 is 557753505.

It is not a de Polignac number, because 505357755 - 2³ = 505357747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406361 + ... + 2406570.

It is an arithmetic number, because the mean of its divisors is an integer number (57755184).

Almost surely, 2^505357755 is an apocalyptic number.

505357755 is a deficient number, since it is larger than the sum of its proper divisors (418725189).

505357755 is a wasteful number, since it uses less digits than its factorization.

505357755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812946.

The product of its (nonzero) digits is 459375, while the sum is 42.

The square root of 505357755 is about 22480.1635892624. The cubic root of 505357755 is about 796.5254284339.

The spelling of 505357755 in words is "five hundred five million, three hundred fifty-seven thousand, seven hundred fifty-five".