518056 has 48 divisors (see below), whose sum is σ = 1254240. Its totient is φ = 194880.

The previous prime is 518047. The next prime is 518057. The reversal of 518056 is 650815.

It is a self number, because there is not a number n which added to its sum of digits gives 518056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518057) by changing a digit.

518056 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 11 ways as a sum of consecutive naturals, for example, 17850 + ... + 17878.

It is an arithmetic number, because the mean of its divisors is an integer number (26130).

2⁵¹⁸⁰⁵⁶ is an apocalyptic number.

518056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 518056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627120).

518056 is an abundant number, since it is smaller than the sum of its proper divisors (736184).

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

518056 is a wasteful number, since it uses less digits than its factorization.

518056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 518056 is about 719.7610714675. The cubic root of 518056 is about 80.3141811788.

The spelling of 518056 in words is "five hundred eighteen thousand, fifty-six".