5663647 has 6 divisors (see below), whose sum is σ = 6225464. Its totient is φ = 5148660.

The previous prime is 5663611. The next prime is 5663657. The reversal of 5663647 is 7463665.

5663647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5663647 - 2⁷ = 5663519 is a prime.

It is a d-powerful number, because it can be written as 5⁷ + 6⁵ + 6⁷ + 3³ + 6⁷ + 4¹¹ + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23283 + ... + 23524.

Almost surely, 2^5663647 is an apocalyptic number.

5663647 is a deficient number, since it is larger than the sum of its proper divisors (561817).

5663647 is a wasteful number, since it uses less digits than its factorization.

5663647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46829 (or 46818 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 5663647 is about 2379.8418014650. The cubic root of 5663647 is about 178.2510345116.

The spelling of 5663647 in words is "five million, six hundred sixty-three thousand, six hundred forty-seven".