5543903 has 2 divisors, whose sum is σ = 5543904. Its totient is φ = 5543902.

The previous prime is 5543873. The next prime is 5543917. The reversal of 5543903 is 3093455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5543903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5543963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771951 + 2771952.

It is an arithmetic number, because the mean of its divisors is an integer number (2771952).

Almost surely, 2^5543903 is an apocalyptic number.

5543903 is a deficient number, since it is larger than the sum of its proper divisors (1).

5543903 is an equidigital number, since it uses as much as digits as its factorization.

5543903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 5543903 is about 2354.5494261111. The cubic root of 5543903 is about 176.9858479753.

It can be divided in two parts, 5543 and 903, that added together give a palindrome (6446).

The spelling of 5543903 in words is "five million, five hundred forty-three thousand, nine hundred three".