535566 has 8 divisors (see below), whose sum is σ = 1071144. Its totient is φ = 178520.

The previous prime is 535547. The next prime is 535571. The reversal of 535566 is 665535.

It is a sphenic number, since it is the product of 3 distinct primes.

535566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

535566 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44625 + ... + 44636.

It is an arithmetic number, because the mean of its divisors is an integer number (133893).

2⁵³⁵⁵⁶⁶ is an apocalyptic number.

535566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

535566 is a wasteful number, since it uses less digits than its factorization.

535566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89266.

The product of its digits is 13500, while the sum is 30.

The square root of 535566 is about 731.8237492730. The cubic root of 535566 is about 81.2090318118.

The spelling of 535566 in words is "five hundred thirty-five thousand, five hundred sixty-six".