42054843 has 8 divisors (see below), whose sum is σ = 58006800. Its totient is φ = 27069728.

The previous prime is 42054841. The next prime is 42054851. The reversal of 42054843 is 34845024.

42054843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42054843 - 2¹ = 42054841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42054843.

It is not an unprimeable number, because it can be changed into a prime (42054841) 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 7 ways as a sum of consecutive naturals, for example, 241608 + ... + 241781.

It is an arithmetic number, because the mean of its divisors is an integer number (7250850).

Almost surely, 2^42054843 is an apocalyptic number.

42054843 is a deficient number, since it is larger than the sum of its proper divisors (15951957).

42054843 is a wasteful number, since it uses less digits than its factorization.

42054843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483421.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 42054843 is about 6484.9705473502. The cubic root of 42054843 is about 347.7538968799.

Adding to 42054843 its reverse (34845024), we get a palindrome (76899867).

The spelling of 42054843 in words is "forty-two million, fifty-four thousand, eight hundred forty-three".