320110055 has 4 divisors (see below), whose sum is σ = 384132072. Its totient is φ = 256088040.

The previous prime is 320110019. The next prime is 320110093. The reversal of 320110055 is 550011023.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 320110055 - 2¹² = 320105959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32011001 + ... + 32011010.

It is an arithmetic number, because the mean of its divisors is an integer number (96033018).

Almost surely, 2^320110055 is an apocalyptic number.

320110055 is a deficient number, since it is larger than the sum of its proper divisors (64022017).

320110055 is an equidigital number, since it uses as much as digits as its factorization.

320110055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64022016.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 320110055 is about 17891.6196863224. The cubic root of 320110055 is about 684.0687827676.

Adding to 320110055 its reverse (550011023), we get a palindrome (870121078).

The spelling of 320110055 in words is "three hundred twenty million, one hundred ten thousand, fifty-five".