6552564 has 12 divisors (see below), whose sum is σ = 15289344. Its totient is φ = 2184184.

The previous prime is 6552547. The next prime is 6552593. The reversal of 6552564 is 4652556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273012 + ... + 273035.

It is an arithmetic number, because the mean of its divisors is an integer number (1274112).

Almost surely, 2^6552564 is an apocalyptic number.

It is an amenable number.

6552564 is an abundant number, since it is smaller than the sum of its proper divisors (8736780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6552564 is a wasteful number, since it uses less digits than its factorization.

6552564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546054 (or 546052 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 6552564 is about 2559.7976482527. The cubic root of 6552564 is about 187.1272737807.

The spelling of 6552564 in words is "six million, five hundred fifty-two thousand, five hundred sixty-four".