6552566 has 4 divisors (see below), whose sum is σ = 9828852. Its totient is φ = 3276282.

The previous prime is 6552547. The next prime is 6552593. The reversal of 6552566 is 6652556.

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

It is a super-2 number, since 2×6552566² = 85872242368712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638140 + ... + 1638143.

It is an arithmetic number, because the mean of its divisors is an integer number (2457213).

Almost surely, 2^6552566 is an apocalyptic number.

6552566 is a deficient number, since it is larger than the sum of its proper divisors (3276286).

6552566 is a wasteful number, since it uses less digits than its factorization.

6552566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276285.

The product of its digits is 54000, while the sum is 35.

The square root of 6552566 is about 2559.7980389085. The cubic root of 6552566 is about 187.1272928193.

The spelling of 6552566 in words is "six million, five hundred fifty-two thousand, five hundred sixty-six".