52348139 has 4 divisors (see below), whose sum is σ = 52408440. Its totient is φ = 52287840.

The previous prime is 52348133. The next prime is 52348141. The reversal of 52348139 is 93184325.

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 52348139 - 2¹⁶ = 52282603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52348099 and 52348108.

It is not an unprimeable number, because it can be changed into a prime (52348133) 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, 28829 + ... + 30590.

It is an arithmetic number, because the mean of its divisors is an integer number (13102110).

Almost surely, 2^52348139 is an apocalyptic number.

52348139 is a deficient number, since it is larger than the sum of its proper divisors (60301).

52348139 is an equidigital number, since it uses as much as digits as its factorization.

52348139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60300.

The product of its digits is 25920, while the sum is 35.

The square root of 52348139 is about 7235.2013793674. The cubic root of 52348139 is about 374.0822333403.

The spelling of 52348139 in words is "fifty-two million, three hundred forty-eight thousand, one hundred thirty-nine".