5565659 has 4 divisors (see below), whose sum is σ = 6071640. Its totient is φ = 5059680.

The previous prime is 5565643. The next prime is 5565667. The reversal of 5565659 is 9565655.

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 5565659 - 2⁴ = 5565643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5561659) 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, 252974 + ... + 252995.

It is an arithmetic number, because the mean of its divisors is an integer number (1517910).

Almost surely, 2^5565659 is an apocalyptic number.

5565659 is a deficient number, since it is larger than the sum of its proper divisors (505981).

5565659 is a wasteful number, since it uses less digits than its factorization.

5565659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505980.

The product of its digits is 202500, while the sum is 41.

The square root of 5565659 is about 2359.1648946184. The cubic root of 5565659 is about 177.2170616288.

The spelling of 5565659 in words is "five million, five hundred sixty-five thousand, six hundred fifty-nine".