64055443 has 4 divisors (see below), whose sum is σ = 64654200. Its totient is φ = 63456688.

The previous prime is 64055401. The next prime is 64055447. The reversal of 64055443 is 34455046.

64055443 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 a de Polignac number, because none of the positive numbers 2^k-64055443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64055447) 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, 299218 + ... + 299431.

It is an arithmetic number, because the mean of its divisors is an integer number (16163550).

Almost surely, 2^64055443 is an apocalyptic number.

64055443 is a deficient number, since it is larger than the sum of its proper divisors (598757).

64055443 is a wasteful number, since it uses less digits than its factorization.

64055443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598756.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 64055443 is about 8003.4644373546. The cubic root of 64055443 is about 400.1154729118.

The spelling of 64055443 in words is "sixty-four million, fifty-five thousand, four hundred forty-three".