4550566 has 4 divisors (see below), whose sum is σ = 6825852. Its totient is φ = 2275282.

The previous prime is 4550563. The next prime is 4550569. The reversal of 4550566 is 6650554.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4550563) and next prime (4550569).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550563) 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 as a sum of consecutive naturals, namely, 1137640 + ... + 1137643.

It is an arithmetic number, because the mean of its divisors is an integer number (1706463).

Almost surely, 2^4550566 is an apocalyptic number.

4550566 is a deficient number, since it is larger than the sum of its proper divisors (2275286).

4550566 is a wasteful number, since it uses less digits than its factorization.

4550566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275285.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 4550566 is about 2133.2055690908. The cubic root of 4550566 is about 165.7124503647.

The spelling of 4550566 in words is "four million, five hundred fifty thousand, five hundred sixty-six".