5563643 has 2 divisors, whose sum is σ = 5563644. Its totient is φ = 5563642.

The previous prime is 5563619. The next prime is 5563651. The reversal of 5563643 is 3463655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5563643 - 2⁸ = 5563387 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5563603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781821 + 2781822.

It is an arithmetic number, because the mean of its divisors is an integer number (2781822).

Almost surely, 2^5563643 is an apocalyptic number.

5563643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5563643 is an equidigital number, since it uses as much as digits as its factorization.

5563643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 32.

The square root of 5563643 is about 2358.7375860829. The cubic root of 5563643 is about 177.1956617825.

The spelling of 5563643 in words is "five million, five hundred sixty-three thousand, six hundred forty-three".