5566023 has 16 divisors (see below), whose sum is σ = 8605440. Its totient is φ = 3548952.

The previous prime is 5566013. The next prime is 5566027. The reversal of 5566023 is 3206655.

5566023 is a `hidden beast` number, since 5 + 56 + 602 + 3 = 666.

It is not a de Polignac number, because 5566023 - 2⁵ = 5565991 is a prime.

It is a super-2 number, since 2×5566023² = 61961224073058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (537840).

Almost surely, 2^5566023 is an apocalyptic number.

5566023 is a deficient number, since it is larger than the sum of its proper divisors (3039417).

5566023 is a wasteful number, since it uses less digits than its factorization.

5566023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995 (or 8989 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 5566023 is about 2359.2420392999. The cubic root of 5566023 is about 177.2209249392.

The spelling of 5566023 in words is "five million, five hundred sixty-six thousand, twenty-three".