5566603 has 8 divisors (see below), whose sum is σ = 6391008. Its totient is φ = 4749504.

The previous prime is 5566597. The next prime is 5566607. The reversal of 5566603 is 3066655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5566603 - 2⁵ = 5566571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5566607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76 + ... + 3337.

It is an arithmetic number, because the mean of its divisors is an integer number (798876).

Almost surely, 2^5566603 is an apocalyptic number.

5566603 is a deficient number, since it is larger than the sum of its proper divisors (824405).

5566603 is a wasteful number, since it uses less digits than its factorization.

5566603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 5566603 is about 2359.3649569323. The cubic root of 5566603 is about 177.2270804154.

The spelling of 5566603 in words is "five million, five hundred sixty-six thousand, six hundred three".