4320055 has 4 divisors (see below), whose sum is σ = 5184072. Its totient is φ = 3456040.

The previous prime is 4319993. The next prime is 4320059. The reversal of 4320055 is 5500234.

It is a happy number.

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

It is not a de Polignac number, because 4320055 - 2¹⁵ = 4287287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432001 + ... + 432010.

It is an arithmetic number, because the mean of its divisors is an integer number (1296018).

Almost surely, 2^4320055 is an apocalyptic number.

4320055 is a deficient number, since it is larger than the sum of its proper divisors (864017).

4320055 is an equidigital number, since it uses as much as digits as its factorization.

4320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864016.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 4320055 is about 2078.4741999842. The cubic root of 4320055 is about 162.8657481639.

Adding to 4320055 its reverse (5500234), we get a palindrome (9820289).

The spelling of 4320055 in words is "four million, three hundred twenty thousand, fifty-five".