109556 has 12 divisors (see below), whose sum is σ = 195300. Its totient is φ = 53760.

The previous prime is 109547. The next prime is 109567. The reversal of 109556 is 655901.

It can be written as a sum of positive squares in 2 ways, for example, as 28900 + 80656 = 170^2 + 284^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 468.

It is an arithmetic number, because the mean of its divisors is an integer number (16275).

2¹⁰⁹⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

109556 is a deficient number, since it is larger than the sum of its proper divisors (85744).

109556 is a wasteful number, since it uses less digits than its factorization.

109556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 109556 is about 330.9924470437. The cubic root of 109556 is about 47.8496452628.

The spelling of 109556 in words is "one hundred nine thousand, five hundred fifty-six".