52442 has 8 divisors (see below), whose sum is σ = 84756. Its totient is φ = 24192.

The previous prime is 52433. The next prime is 52453. The reversal of 52442 is 24425.

It is a Cunningham number, because it is equal to 229²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 52441 + 1 = 229^2 + 1^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 52442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983 + ... + 1034.

2⁵²⁴⁴² is an apocalyptic number.

52442 is a deficient number, since it is larger than the sum of its proper divisors (32314).

52442 is a wasteful number, since it uses less digits than its factorization.

52442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its digits is 320, while the sum is 17.

The square root of 52442 is about 229.0021833957. The cubic root of 52442 is about 37.4305678202.

Subtracting from 52442 its sum of digits (17), we obtain a palindrome (52425).

Adding to 52442 its reverse (24425), we get a palindrome (76867).

It can be divided in two parts, 52 and 442, that added together give a palindrome (494).

The spelling of 52442 in words is "fifty-two thousand, four hundred forty-two".