8442055 has 4 divisors (see below), whose sum is σ = 10130472. Its totient is φ = 6753640.

The previous prime is 8442043. The next prime is 8442059. The reversal of 8442055 is 5502448.

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

It is not a de Polignac number, because 8442055 - 2¹³ = 8433863 is a prime.

It is a Duffinian number.

8442055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844201 + ... + 844210.

It is an arithmetic number, because the mean of its divisors is an integer number (2532618).

Almost surely, 2^8442055 is an apocalyptic number.

8442055 is a deficient number, since it is larger than the sum of its proper divisors (1688417).

8442055 is a wasteful number, since it uses less digits than its factorization.

8442055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688416.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 8442055 is about 2905.5214678264. The cubic root of 8442055 is about 203.6179492386.

The spelling of 8442055 in words is "eight million, four hundred forty-two thousand, fifty-five".