5563989 has 12 divisors (see below), whose sum is σ = 8117772. Its totient is φ = 3672000.

The previous prime is 5563951. The next prime is 5563991. The reversal of 5563989 is 9893655.

5563989 is a `hidden beast` number, since 5 + 5 + 639 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3186225 + 2377764 = 1785^2 + 1542^2 .

It is not a de Polignac number, because 5563989 - 2¹⁵ = 5531221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5563919) 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, 2152 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (676481).

Almost surely, 2^5563989 is an apocalyptic number.

It is an amenable number.

5563989 is a deficient number, since it is larger than the sum of its proper divisors (2553783).

5563989 is a wasteful number, since it uses less digits than its factorization.

5563989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228 (or 6225 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 5563989 is about 2358.8109292608. The cubic root of 5563989 is about 177.1993349410.

The spelling of 5563989 in words is "five million, five hundred sixty-three thousand, nine hundred eighty-nine".