5663533 has 6 divisors (see below), whose sum is σ = 6016586. Its totient is φ = 5330112.

The previous prime is 5663521. The next prime is 5663549. The reversal of 5663533 is 3353665.

It can be written as a sum of positive squares in 3 ways, for example, as 1965604 + 3697929 = 1402^2 + 1923^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5663533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5663495 and 5663504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9510 + ... + 10087.

Almost surely, 2^5663533 is an apocalyptic number.

It is an amenable number.

5663533 is a deficient number, since it is larger than the sum of its proper divisors (353053).

5663533 is a wasteful number, since it uses less digits than its factorization.

5663533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19631 (or 19614 counting only the distinct ones).

The product of its digits is 24300, while the sum is 31.

The square root of 5663533 is about 2379.8178501726. The cubic root of 5663533 is about 178.2498385358.

The spelling of 5663533 in words is "five million, six hundred sixty-three thousand, five hundred thirty-three".