5657663 has 4 divisors (see below), whose sum is σ = 6172008. Its totient is φ = 5143320.

The previous prime is 5657657. The next prime is 5657671. The reversal of 5657663 is 3667565.

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

It is a cyclic number.

It is not a de Polignac number, because 5657663 - 2⁶ = 5657599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657623) 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 3 ways as a sum of consecutive naturals, for example, 257156 + ... + 257177.

It is an arithmetic number, because the mean of its divisors is an integer number (1543002).

Almost surely, 2^5657663 is an apocalyptic number.

5657663 is a deficient number, since it is larger than the sum of its proper divisors (514345).

5657663 is a wasteful number, since it uses less digits than its factorization.

5657663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514344.

The product of its digits is 113400, while the sum is 38.

The square root of 5657663 is about 2378.5842427797. The cubic root of 5657663 is about 178.1882345717.

It can be divided in two parts, 565 and 7663, that added together give a palindrome (8228).

The spelling of 5657663 in words is "five million, six hundred fifty-seven thousand, six hundred sixty-three".