5443663 has 4 divisors (see below), whose sum is σ = 5680368. Its totient is φ = 5206960.

The previous prime is 5443651. The next prime is 5443667. The reversal of 5443663 is 3663445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3663445 = 5 ⋅732689.

It is a cyclic number.

It is not a de Polignac number, because 5443663 - 2¹⁷ = 5312591 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5443667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118318 + ... + 118363.

It is an arithmetic number, because the mean of its divisors is an integer number (1420092).

Almost surely, 2^5443663 is an apocalyptic number.

5443663 is a deficient number, since it is larger than the sum of its proper divisors (236705).

5443663 is a wasteful number, since it uses less digits than its factorization.

5443663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236704.

The product of its digits is 25920, while the sum is 31.

The square root of 5443663 is about 2333.1658749433. The cubic root of 5443663 is about 175.9126525078.

The spelling of 5443663 in words is "five million, four hundred forty-three thousand, six hundred sixty-three".