5541543 has 12 divisors (see below), whose sum is σ = 9148048. Its totient is φ = 3166560.

The previous prime is 5541533. The next prime is 5541577. The reversal of 5541543 is 3451455.

It is not a de Polignac number, because 5541543 - 2⁸ = 5541287 is a prime.

5541543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43918 + ... + 44043.

Almost surely, 2^5541543 is an apocalyptic number.

5541543 is a deficient number, since it is larger than the sum of its proper divisors (3606505).

5541543 is a wasteful number, since it uses less digits than its factorization.

5541543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87974 (or 87971 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 5541543 is about 2354.0482153091. The cubic root of 5541543 is about 176.9607305394.

Adding to 5541543 its reverse (3451455), we get a palindrome (8992998).

It can be divided in two parts, 5541 and 543, that added together give a square (6084 = 78²).

The spelling of 5541543 in words is "five million, five hundred forty-one thousand, five hundred forty-three".