5666545 has 8 divisors (see below), whose sum is σ = 6866496. Its totient is φ = 4488816.

The previous prime is 5666539. The next prime is 5666561. The reversal of 5666545 is 5456665.

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 5666545 - 2⁷ = 5666417 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, 4987 + ... + 6016.

It is an arithmetic number, because the mean of its divisors is an integer number (858312).

Almost surely, 2^5666545 is an apocalyptic number.

It is an amenable number.

5666545 is a deficient number, since it is larger than the sum of its proper divisors (1199951).

5666545 is a wasteful number, since it uses less digits than its factorization.

5666545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111.

The product of its digits is 108000, while the sum is 37.

The square root of 5666545 is about 2380.4505875989. The cubic root of 5666545 is about 178.2814320873.

The spelling of 5666545 in words is "five million, six hundred sixty-six thousand, five hundred forty-five".