52542444 has 24 divisors (see below), whose sum is σ = 129811248. Its totient is φ = 16483840.

The previous prime is 52542439. The next prime is 52542449. The reversal of 52542444 is 44424525.

It is an interprime number because it is at equal distance from previous prime (52542439) and next prime (52542449).

It is not an unprimeable number, because it can be changed into a prime (52542449) 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, 128577 + ... + 128984.

It is an arithmetic number, because the mean of its divisors is an integer number (5408802).

Almost surely, 2^52542444 is an apocalyptic number.

It is an amenable number.

52542444 is an abundant number, since it is smaller than the sum of its proper divisors (77268804).

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

52542444 is a wasteful number, since it uses less digits than its factorization.

52542444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257585 (or 257583 counting only the distinct ones).

The product of its digits is 25600, while the sum is 30.

The square root of 52542444 is about 7248.6166956186. The cubic root of 52542444 is about 374.5444993863.

Adding to 52542444 its reverse (44424525), we get a palindrome (96966969).

The spelling of 52542444 in words is "fifty-two million, five hundred forty-two thousand, four hundred forty-four".