5663489 has 4 divisors (see below), whose sum is σ = 6099156. Its totient is φ = 5227824.

The previous prime is 5663477. The next prime is 5663491. The reversal of 5663489 is 9843665.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2053489 + 3610000 = 1433^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 5663489 - 2¹⁶ = 5597953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5663419) 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, 217814 + ... + 217839.

It is an arithmetic number, because the mean of its divisors is an integer number (1524789).

Almost surely, 2^5663489 is an apocalyptic number.

It is an amenable number.

5663489 is a deficient number, since it is larger than the sum of its proper divisors (435667).

5663489 is a wasteful number, since it uses less digits than its factorization.

5663489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435666.

The product of its digits is 155520, while the sum is 41.

The square root of 5663489 is about 2379.8086057496. The cubic root of 5663489 is about 178.2493769268.

The spelling of 5663489 in words is "five million, six hundred sixty-three thousand, four hundred eighty-nine".