5566667 has 12 divisors (see below), whose sum is σ = 6171480. Its totient is φ = 5003328.

The previous prime is 5566663. The next prime is 5566669. The reversal of 5566667 is 7666655.

It is not a de Polignac number, because 5566667 - 2² = 5566663 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5566661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8684 + ... + 9302.

It is an arithmetic number, because the mean of its divisors is an integer number (514290).

Almost surely, 2^5566667 is an apocalyptic number.

5566667 is a deficient number, since it is larger than the sum of its proper divisors (604813).

5566667 is a wasteful number, since it uses less digits than its factorization.

5566667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 659 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 5566667 is about 2359.3785198649. The cubic root of 5566667 is about 177.2277596142.

The spelling of 5566667 in words is "five million, five hundred sixty-six thousand, six hundred sixty-seven".