505056 has 24 divisors (see below), whose sum is σ = 1326024. Its totient is φ = 168320.

The previous prime is 505051. The next prime is 505061. The reversal of 505056 is 650505.

It is an interprime number because it is at equal distance from previous prime (505051) and next prime (505061).

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505051) by changing a digit.

505056 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, 2535 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (55251).

2⁵⁰⁵⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

505056 is an abundant number, since it is smaller than the sum of its proper divisors (820968).

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

505056 is a wasteful number, since it uses less digits than its factorization.

505056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274 (or 5266 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 505056 is about 710.6729205478. The cubic root of 505056 is about 79.6366858666.

The spelling of 505056 in words is "five hundred five thousand, fifty-six".