5566864 has 10 divisors (see below), whose sum is σ = 10785830. Its totient is φ = 2783424.

The previous prime is 5566853. The next prime is 5566879. The reversal of 5566864 is 4686655.

It can be written as a sum of positive squares in only one way, i.e., 5253264 + 313600 = 2292^2 + 560^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173949 + ... + 173980.

It is an arithmetic number, because the mean of its divisors is an integer number (1078583).

Almost surely, 2^5566864 is an apocalyptic number.

It is an amenable number.

5566864 is a deficient number, since it is larger than the sum of its proper divisors (5218966).

5566864 is a wasteful number, since it uses less digits than its factorization.

5566864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347937 (or 347931 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 5566864 is about 2359.4202677777. The cubic root of 5566864 is about 177.2298502402.

The spelling of 5566864 in words is "five million, five hundred sixty-six thousand, eight hundred sixty-four".