5666555 has 8 divisors (see below), whose sum is σ = 6944832. Its totient is φ = 4436608.

The previous prime is 5666539. The next prime is 5666561. The reversal of 5666555 is 5556665.

It is a happy number.

5666555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5666555 - 2⁴ = 5666539 is a prime.

It is a Duffinian 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, 11822 + ... + 12291.

It is an arithmetic number, because the mean of its divisors is an integer number (868104).

Almost surely, 2^5666555 is an apocalyptic number.

5666555 is a deficient number, since it is larger than the sum of its proper divisors (1278277).

5666555 is a wasteful number, since it uses less digits than its factorization.

5666555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24165.

The product of its digits is 135000, while the sum is 38.

The square root of 5666555 is about 2380.4526880407. The cubic root of 5666555 is about 178.2815369609.

The spelling of 5666555 in words is "five million, six hundred sixty-six thousand, five hundred fifty-five".