52518 has 8 divisors (see below), whose sum is σ = 105048. Its totient is φ = 17504.

The previous prime is 52517. The next prime is 52529. The reversal of 52518 is 81525.

52518 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

52518 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52494 and 52503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4371 + ... + 4382.

It is an arithmetic number, because the mean of its divisors is an integer number (13131).

2⁵²⁵¹⁸ is an apocalyptic number.

52518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52524).

52518 is a wasteful number, since it uses less digits than its factorization.

52518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758.

The product of its digits is 400, while the sum is 21.

The square root of 52518 is about 229.1680606018. The cubic root of 52518 is about 37.4486408028.

The spelling of 52518 in words is "fifty-two thousand, five hundred eighteen".