52543243 has 4 divisors (see below), whose sum is σ = 55634040. Its totient is φ = 49452448.

The previous prime is 52543241. The next prime is 52543279. The reversal of 52543243 is 34234525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52543243 - 2¹ = 52543241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52543241) 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, 1545373 + ... + 1545406.

It is an arithmetic number, because the mean of its divisors is an integer number (13908510).

Almost surely, 2^52543243 is an apocalyptic number.

52543243 is a deficient number, since it is larger than the sum of its proper divisors (3090797).

52543243 is a wasteful number, since it uses less digits than its factorization.

52543243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090796.

The product of its digits is 14400, while the sum is 28.

The square root of 52543243 is about 7248.6718093731. The cubic root of 52543243 is about 374.5463979120.

Adding to 52543243 its reverse (34234525), we get a palindrome (86777768).

The spelling of 52543243 in words is "fifty-two million, five hundred forty-three thousand, two hundred forty-three".