52389403 has 24 divisors (see below), whose sum is σ = 61447680. Its totient is φ = 44282160.

The previous prime is 52389397. The next prime is 52389413. The reversal of 52389403 is 30498325.

It is a happy number.

It is not a de Polignac number, because 52389403 - 2⁵ = 52389371 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 (52389413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313626 + ... + 313792.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 2^52389403 is an apocalyptic number.

52389403 is a deficient number, since it is larger than the sum of its proper divisors (9058277).

52389403 is a wasteful number, since it uses less digits than its factorization.

52389403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 52389403 is about 7238.0524314210. The cubic root of 52389403 is about 374.1804990122.

It can be divided in two parts, 5238 and 9403, that added together give a palindrome (14641).

The spelling of 52389403 in words is "fifty-two million, three hundred eighty-nine thousand, four hundred three".