5403543 has 16 divisors (see below), whose sum is σ = 7749120. Its totient is φ = 3338496.

The previous prime is 5403539. The next prime is 5403553. The reversal of 5403543 is 3453045.

It is a happy number.

It is not a de Polignac number, because 5403543 - 2² = 5403539 is a prime.

5403543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5403523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671 + ... + 3687.

It is an arithmetic number, because the mean of its divisors is an integer number (484320).

Almost surely, 2^5403543 is an apocalyptic number.

5403543 is a deficient number, since it is larger than the sum of its proper divisors (2345577).

5403543 is a wasteful number, since it uses less digits than its factorization.

5403543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 5403543 is about 2324.5522149438. The cubic root of 5403543 is about 175.4794255148.

Adding to 5403543 its reverse (3453045), we get a palindrome (8856588).

The spelling of 5403543 in words is "five million, four hundred three thousand, five hundred forty-three".