5541563 has 4 divisors (see below), whose sum is σ = 5549208. Its totient is φ = 5533920.

The previous prime is 5541533. The next prime is 5541577. The reversal of 5541563 is 3651455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5541563 - 2⁶ = 5541499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5541533) 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 3 ways as a sum of consecutive naturals, for example, 2606 + ... + 4227.

It is an arithmetic number, because the mean of its divisors is an integer number (1387302).

Almost surely, 2^5541563 is an apocalyptic number.

5541563 is a deficient number, since it is larger than the sum of its proper divisors (7645).

5541563 is an equidigital number, since it uses as much as digits as its factorization.

5541563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644.

The product of its digits is 9000, while the sum is 29.

The square root of 5541563 is about 2354.0524633066. The cubic root of 5541563 is about 176.9609434290.

The spelling of 5541563 in words is "five million, five hundred forty-one thousand, five hundred sixty-three".