108285055 has 4 divisors (see below), whose sum is σ = 129942072. Its totient is φ = 86628040.

The previous prime is 108285007. The next prime is 108285071. The reversal of 108285055 is 550582801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550582801 = 167 ⋅3296903.

It is a de Polignac number, because none of the positive numbers 2^k-108285055 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108285055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10828501 + ... + 10828510.

It is an arithmetic number, because the mean of its divisors is an integer number (32485518).

Almost surely, 2^108285055 is an apocalyptic number.

108285055 is a deficient number, since it is larger than the sum of its proper divisors (21657017).

108285055 is an equidigital number, since it uses as much as digits as its factorization.

108285055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21657016.

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 108285055 is about 10406.0105227700. The cubic root of 108285055 is about 476.6389258528.

The spelling of 108285055 in words is "one hundred eight million, two hundred eighty-five thousand, fifty-five".