109550 has 24 divisors (see below), whose sum is σ = 233616. Its totient is φ = 37440.

The previous prime is 109547. The next prime is 109567. The reversal of 109550 is 55901.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109550.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (9734).

2¹⁰⁹⁵⁵⁰ is an apocalyptic number.

109550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109550 is an abundant number, since it is smaller than the sum of its proper divisors (124066).

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

109550 is a wasteful number, since it uses less digits than its factorization.

109550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 109550 is about 330.9833832687. The cubic root of 109550 is about 47.8487717274.

The spelling of 109550 in words is "one hundred nine thousand, five hundred fifty".