52345439 has 4 divisors (see below), whose sum is σ = 52933680. Its totient is φ = 51757200.

The previous prime is 52345427. The next prime is 52345457. The reversal of 52345439 is 93454325.

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 52345439 - 2¹² = 52341343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52345399 and 52345408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52345409) 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, 293987 + ... + 294164.

It is an arithmetic number, because the mean of its divisors is an integer number (13233420).

Almost surely, 2^52345439 is an apocalyptic number.

52345439 is a deficient number, since it is larger than the sum of its proper divisors (588241).

52345439 is an equidigital number, since it uses as much as digits as its factorization.

52345439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588240.

The product of its digits is 64800, while the sum is 35.

The square root of 52345439 is about 7235.0147892040. The cubic root of 52345439 is about 374.0758017879.

The spelling of 52345439 in words is "fifty-two million, three hundred forty-five thousand, four hundred thirty-nine".