109554 has 24 divisors (see below), whose sum is σ = 238320. Its totient is φ = 33480.

The previous prime is 109547. The next prime is 109567. The reversal of 109554 is 455901.

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 11 ways as a sum of consecutive naturals, for example, 3519 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (9930).

2¹⁰⁹⁵⁵⁴ is an apocalyptic number.

109554 is an abundant number, since it is smaller than the sum of its proper divisors (128766).

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

109554 is a wasteful number, since it uses less digits than its factorization.

109554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 109554 is about 330.9894258130. The cubic root of 109554 is about 47.8493540879.

The spelling of 109554 in words is "one hundred nine thousand, five hundred fifty-four".