52513443 has 12 divisors (see below), whose sum is σ = 76068720. Its totient is φ = 34909296.

The previous prime is 52513441. The next prime is 52513451. The reversal of 52513443 is 34431525.

52513443 is a `hidden beast` number, since 525 + 134 + 4 + 3 = 666.

It is not a de Polignac number, because 52513443 - 2¹ = 52513441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52513441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4896 + ... + 11357.

It is an arithmetic number, because the mean of its divisors is an integer number (6339060).

Almost surely, 2^52513443 is an apocalyptic number.

52513443 is a deficient number, since it is larger than the sum of its proper divisors (23555277).

52513443 is a wasteful number, since it uses less digits than its factorization.

52513443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618 (or 16615 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 52513443 is about 7246.6159688506. The cubic root of 52513443 is about 374.4755762879.

Adding to 52513443 its reverse (34431525), we get a palindrome (86944968).

The spelling of 52513443 in words is "fifty-two million, five hundred thirteen thousand, four hundred forty-three".