520056 has 48 divisors (see below), whose sum is σ = 1460160. Its totient is φ = 167040.

The previous prime is 520043. The next prime is 520063. The reversal of 520056 is 650025.

520056 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 (18).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 520056.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2116 + ... + 2348.

It is an arithmetic number, because the mean of its divisors is an integer number (30420).

2⁵²⁰⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730080).

520056 is an abundant number, since it is smaller than the sum of its proper divisors (940104).

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

520056 is a wasteful number, since it uses less digits than its factorization.

520056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 520056 is about 721.1490830612. The cubic root of 520056 is about 80.4174017431.

The spelling of 520056 in words is "five hundred twenty thousand, fifty-six".