505536 has 28 divisors (see below), whose sum is σ = 1338072. Its totient is φ = 168448.

The previous prime is 505523. The next prime is 505537. The reversal of 505536 is 635505.

505536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505536.

It is not an unprimeable number, because it can be changed into a prime (505537) by changing a digit.

505536 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125 + ... + 1508.

2⁵⁰⁵⁵³⁶ is an apocalyptic number.

It is an amenable number.

505536 is an abundant number, since it is smaller than the sum of its proper divisors (832536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505536 is a wasteful number, since it uses less digits than its factorization.

505536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 505536 is about 711.0105484450. The cubic root of 505536 is about 79.6619065060.

The spelling of 505536 in words is "five hundred five thousand, five hundred thirty-six".