52002439 has 8 divisors (see below), whose sum is σ = 55965168. Its totient is φ = 48140160.

The previous prime is 52002421. The next prime is 52002443. The reversal of 52002439 is 93420025.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52002439 - 2¹¹ = 52000391 is a prime.

It is a Duffinian number.

52002439 is a modest number, since divided by 2439 gives 520 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52002409) 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, 24037 + ... + 26110.

It is an arithmetic number, because the mean of its divisors is an integer number (6995646).

Almost surely, 2^52002439 is an apocalyptic number.

52002439 is a deficient number, since it is larger than the sum of its proper divisors (3962729).

52002439 is a wasteful number, since it uses less digits than its factorization.

52002439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50225.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 52002439 is about 7211.2716631673. The cubic root of 52002439 is about 373.2569512281.

It can be divided in two parts, 52002 and 439, that added together give a square (52441 = 229²).

The spelling of 52002439 in words is "fifty-two million, two thousand, four hundred thirty-nine".