52540 has 24 divisors (see below), whose sum is σ = 114912. Its totient is φ = 20160.

The previous prime is 52529. The next prime is 52541. The reversal of 52540 is 4525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 775.

It is an arithmetic number, because the mean of its divisors is an integer number (4788).

2⁵²⁵⁴⁰ 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 52540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57456).

52540 is an abundant number, since it is smaller than the sum of its proper divisors (62372).

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

52540 is a wasteful number, since it uses less digits than its factorization.

52540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 52540 is about 229.2160552841. The cubic root of 52540 is about 37.4538692012.

It can be divided in two parts, 525 and 40, that added together give a palindrome (565).

The spelling of 52540 in words is "fifty-two thousand, five hundred forty".