5255666 has 16 divisors (see below), whose sum is σ = 8937600. Its totient is φ = 2297808.

The previous prime is 5255659. The next prime is 5255671. The reversal of 5255666 is 6665525.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4826 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (558600).

Almost surely, 2^5255666 is an apocalyptic number.

5255666 is a deficient number, since it is larger than the sum of its proper divisors (3681934).

5255666 is a wasteful number, since it uses less digits than its factorization.

5255666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673.

The product of its digits is 54000, while the sum is 35.

The square root of 5255666 is about 2292.5239366253. The cubic root of 5255666 is about 173.8638341045.

The spelling of 5255666 in words is "five million, two hundred fifty-five thousand, six hundred sixty-six".