5659643 has 4 divisors (see below), whose sum is σ = 6174168. Its totient is φ = 5145120.

The previous prime is 5659627. The next prime is 5659651. The reversal of 5659643 is 3469565.

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 5659643 - 2⁴ = 5659627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5659597 and 5659606.

It is not an unprimeable number, because it can be changed into a prime (5659603) 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, 257246 + ... + 257267.

It is an arithmetic number, because the mean of its divisors is an integer number (1543542).

Almost surely, 2^5659643 is an apocalyptic number.

5659643 is a deficient number, since it is larger than the sum of its proper divisors (514525).

5659643 is a wasteful number, since it uses less digits than its factorization.

5659643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514524.

The product of its digits is 97200, while the sum is 38.

The square root of 5659643 is about 2379.0004203446. Note that the first 3 decimals coincide. The cubic root of 5659643 is about 178.2090188634.

The spelling of 5659643 in words is "five million, six hundred fifty-nine thousand, six hundred forty-three".