53542343 has 4 divisors (see below), whose sum is σ = 53811600. Its totient is φ = 53273088.

The previous prime is 53542339. The next prime is 53542369. The reversal of 53542343 is 34324535.

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 53542343 - 2² = 53542339 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 (53542303) 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, 134330 + ... + 134727.

It is an arithmetic number, because the mean of its divisors is an integer number (13452900).

Almost surely, 2^53542343 is an apocalyptic number.

53542343 is a deficient number, since it is larger than the sum of its proper divisors (269257).

53542343 is a wasteful number, since it uses less digits than its factorization.

53542343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269256.

The product of its digits is 21600, while the sum is 29.

The square root of 53542343 is about 7317.2633545609. The cubic root of 53542343 is about 376.9054846828.

Adding to 53542343 its reverse (34324535), we get a palindrome (87866878).

The spelling of 53542343 in words is "fifty-three million, five hundred forty-two thousand, three hundred forty-three".