42544311 has 4 divisors (see below), whose sum is σ = 56725752. Its totient is φ = 28362872.

The previous prime is 42544309. The next prime is 42544343. The reversal of 42544311 is 11344524.

42544311 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 42544311 - 2¹ = 42544309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544361) 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, 7090716 + ... + 7090721.

It is an arithmetic number, because the mean of its divisors is an integer number (14181438).

Almost surely, 2^42544311 is an apocalyptic number.

42544311 is a deficient number, since it is larger than the sum of its proper divisors (14181441).

42544311 is a wasteful number, since it uses less digits than its factorization.

42544311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14181440.

The product of its digits is 1920, while the sum is 24.

The square root of 42544311 is about 6522.6000183976. The cubic root of 42544311 is about 349.0978425901.

Adding to 42544311 its reverse (11344524), we get a palindrome (53888835).

The spelling of 42544311 in words is "forty-two million, five hundred forty-four thousand, three hundred eleven".