53242239 has 8 divisors (see below), whose sum is σ = 71217712. Its totient is φ = 35380800.

The previous prime is 53242219. The next prime is 53242243. The reversal of 53242239 is 93224235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53242239 - 2⁵ = 53242207 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 (53242219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27412 + ... + 29289.

It is an arithmetic number, because the mean of its divisors is an integer number (8902214).

Almost surely, 2^53242239 is an apocalyptic number.

53242239 is a deficient number, since it is larger than the sum of its proper divisors (17975473).

53242239 is a wasteful number, since it uses less digits than its factorization.

53242239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57017.

The product of its digits is 12960, while the sum is 30.

The square root of 53242239 is about 7296.7279653280. The cubic root of 53242239 is about 376.1999817985.

The spelling of 53242239 in words is "fifty-three million, two hundred forty-two thousand, two hundred thirty-nine".