35566 has 4 divisors (see below), whose sum is σ = 53352. Its totient is φ = 17782.

The previous prime is 35543. The next prime is 35569. The reversal of 35566 is 66553.

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

It is a plaindrome in base 10 and base 16.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 35566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35569) by changing a digit.

35566 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8890 + ... + 8893.

It is an arithmetic number, because the mean of its divisors is an integer number (13338).

2³⁵⁵⁶⁶ is an apocalyptic number.

35566 is a deficient number, since it is larger than the sum of its proper divisors (17786).

35566 is a wasteful number, since it uses less digits than its factorization.

35566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17785.

The product of its digits is 2700, while the sum is 25.

The square root of 35566 is about 188.5895012985. The cubic root of 35566 is about 32.8860471194.

The spelling of 35566 in words is "thirty-five thousand, five hundred sixty-six".