4030055 has 4 divisors (see below), whose sum is σ = 4836072. Its totient is φ = 3224040.

The previous prime is 4030051. The next prime is 4030063. The reversal of 4030055 is 5500304.

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

It is not a de Polignac number, because 4030055 - 2² = 4030051 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 (4030051) 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, 403001 + ... + 403010.

It is an arithmetic number, because the mean of its divisors is an integer number (1209018).

Almost surely, 2^4030055 is an apocalyptic number.

4030055 is a deficient number, since it is larger than the sum of its proper divisors (806017).

4030055 is an equidigital number, since it uses as much as digits as its factorization.

4030055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806016.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 4030055 is about 2007.4996886675. The cubic root of 4030055 is about 159.1366913878.

Adding to 4030055 its reverse (5500304), we get a palindrome (9530359).

The spelling of 4030055 in words is "four million, thirty thousand, fifty-five".