52040343 has 4 divisors (see below), whose sum is σ = 69387128. Its totient is φ = 34693560.

The previous prime is 52040321. The next prime is 52040371. The reversal of 52040343 is 34304025.

It is a happy number.

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

It is not a de Polignac number, because 52040343 - 2⁵ = 52040311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52000343) 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, 8673388 + ... + 8673393.

It is an arithmetic number, because the mean of its divisors is an integer number (17346782).

Almost surely, 2^52040343 is an apocalyptic number.

52040343 is a deficient number, since it is larger than the sum of its proper divisors (17346785).

52040343 is a wasteful number, since it uses less digits than its factorization.

52040343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17346784.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 52040343 is about 7213.8992923384. The cubic root of 52040343 is about 373.3476168182.

Adding to 52040343 its reverse (34304025), we get a palindrome (86344368).

The spelling of 52040343 in words is "fifty-two million, forty thousand, three hundred forty-three".