52242371 has 4 divisors (see below), whose sum is σ = 52265544. Its totient is φ = 52219200.

The previous prime is 52242353. The next prime is 52242373. The reversal of 52242371 is 17324225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52242371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52242371.

It is not an unprimeable number, because it can be changed into a prime (52242373) 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, 7790 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (13066386).

Almost surely, 2^52242371 is an apocalyptic number.

52242371 is a deficient number, since it is larger than the sum of its proper divisors (23173).

52242371 is a wasteful number, since it uses less digits than its factorization.

52242371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23172.

The product of its digits is 3360, while the sum is 26.

The square root of 52242371 is about 7227.8884191720. Note that the first 3 decimals coincide. The cubic root of 52242371 is about 373.8301224556.

Adding to 52242371 its reverse (17324225), we get a palindrome (69566596).

The spelling of 52242371 in words is "fifty-two million, two hundred forty-two thousand, three hundred seventy-one".