4055047 has 4 divisors (see below), whose sum is σ = 4084360. Its totient is φ = 4025736.

The previous prime is 4055033. The next prime is 4055053. The reversal of 4055047 is 7405504.

4055047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4055047 - 2¹¹ = 4052999 is a prime.

It is a Duffinian number.

4055047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14448 + ... + 14725.

It is an arithmetic number, because the mean of its divisors is an integer number (1021090).

Almost surely, 2^4055047 is an apocalyptic number.

4055047 is a deficient number, since it is larger than the sum of its proper divisors (29313).

4055047 is a wasteful number, since it uses less digits than its factorization.

4055047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29312.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 4055047 is about 2013.7147265688. The cubic root of 4055047 is about 159.4649707045.

The spelling of 4055047 in words is "four million, fifty-five thousand, forty-seven".