52887239 has 4 divisors (see below), whose sum is σ = 53003424. Its totient is φ = 52771056.

The previous prime is 52887227. The next prime is 52887251. The reversal of 52887239 is 93278825.

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

It is an interprime number because it is at equal distance from previous prime (52887227) and next prime (52887251).

It is a cyclic number.

It is not a de Polignac number, because 52887239 - 2⁴ = 52887223 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 52887239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52887139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57407 + ... + 58320.

It is an arithmetic number, because the mean of its divisors is an integer number (13250856).

Almost surely, 2^52887239 is an apocalyptic number.

52887239 is a deficient number, since it is larger than the sum of its proper divisors (116185).

52887239 is a wasteful number, since it uses less digits than its factorization.

52887239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116184.

The product of its digits is 241920, while the sum is 44.

The square root of 52887239 is about 7272.3613084060. The cubic root of 52887239 is about 375.3619947433.

The spelling of 52887239 in words is "fifty-two million, eight hundred eighty-seven thousand, two hundred thirty-nine".