5543439 has 16 divisors (see below), whose sum is σ = 8118144. Its totient is φ = 3336800.

The previous prime is 5543407. The next prime is 5543443. The reversal of 5543439 is 9343455.

It is a cyclic number.

It is not a de Polignac number, because 5543439 - 2⁵ = 5543407 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5224 + ... + 6194.

It is an arithmetic number, because the mean of its divisors is an integer number (507384).

Almost surely, 2^5543439 is an apocalyptic number.

5543439 is a deficient number, since it is larger than the sum of its proper divisors (2574705).

5543439 is a wasteful number, since it uses less digits than its factorization.

5543439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its digits is 32400, while the sum is 33.

The square root of 5543439 is about 2354.4508913970. The cubic root of 5543439 is about 176.9809101950.

It can be divided in two parts, 554 and 3439, that added together give a palindrome (3993).

The spelling of 5543439 in words is "five million, five hundred forty-three thousand, four hundred thirty-nine".