52642339 has 4 divisors (see below), whose sum is σ = 52681840. Its totient is φ = 52602840.

The previous prime is 52642333. The next prime is 52642349. The reversal of 52642339 is 93324625.

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 52642339 - 2¹³ = 52634147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52642333) 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, 17679 + ... + 20440.

It is an arithmetic number, because the mean of its divisors is an integer number (13170460).

Almost surely, 2^52642339 is an apocalyptic number.

52642339 is a deficient number, since it is larger than the sum of its proper divisors (39501).

52642339 is a wasteful number, since it uses less digits than its factorization.

52642339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39500.

The product of its digits is 38880, while the sum is 34.

The square root of 52642339 is about 7255.5040486516. The cubic root of 52642339 is about 374.7817135533.

The spelling of 52642339 in words is "fifty-two million, six hundred forty-two thousand, three hundred thirty-nine".