108554 has 4 divisors (see below), whose sum is σ = 162834. Its totient is φ = 54276.

The previous prime is 108553. The next prime is 108557. The reversal of 108554 is 455801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455801 = 67 ⋅6803.

It can be written as a sum of positive squares in only one way, i.e., 104329 + 4225 = 323^2 + 65^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (108553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27137 + ... + 27140.

2¹⁰⁸⁵⁵⁴ is an apocalyptic number.

108554 is a deficient number, since it is larger than the sum of its proper divisors (54280).

108554 is an equidigital number, since it uses as much as digits as its factorization.

108554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54279.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 108554 is about 329.4753405037. The cubic root of 108554 is about 47.7033205177.

The spelling of 108554 in words is "one hundred eight thousand, five hundred fifty-four".