52443 has 6 divisors (see below), whose sum is σ = 75764. Its totient is φ = 34956.

The previous prime is 52433. The next prime is 52453. The reversal of 52443 is 34425.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52433) and next prime (52453).

It is not a de Polignac number, because 52443 - 2⁶ = 52379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2905 + ... + 2922.

2⁵²⁴⁴³ is an apocalyptic number.

52443 is a deficient number, since it is larger than the sum of its proper divisors (23321).

52443 is a wasteful number, since it uses less digits than its factorization.

52443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833 (or 5830 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 52443 is about 229.0043667706. The cubic root of 52443 is about 37.4308057360.

Subtracting from 52443 its sum of digits (18), we obtain a palindrome (52425).

Adding to 52443 its reverse (34425), we get a palindrome (86868).

The spelling of 52443 in words is "fifty-two thousand, four hundred forty-three".