52405443 has 6 divisors (see below), whose sum is σ = 75696764. Its totient is φ = 34936956.

The previous prime is 52405429. The next prime is 52405471. The reversal of 52405443 is 34450425.

It is not a de Polignac number, because 52405443 - 2⁴ = 52405427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52405403) 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, 2911405 + ... + 2911422.

Almost surely, 2^52405443 is an apocalyptic number.

52405443 is a deficient number, since it is larger than the sum of its proper divisors (23291321).

52405443 is a wasteful number, since it uses less digits than its factorization.

52405443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822833 (or 5822830 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 52405443 is about 7239.1603794915. The cubic root of 52405443 is about 374.2186825788.

Adding to 52405443 its reverse (34450425), we get a palindrome (86855868).

The spelling of 52405443 in words is "fifty-two million, four hundred five thousand, four hundred forty-three".