42054331 has 8 divisors (see below), whose sum is σ = 46854144. Its totient is φ = 37417320.

The previous prime is 42054329. The next prime is 42054347. The reversal of 42054331 is 13345024.

42054331 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 42054331 - 2¹ = 42054329 is a prime.

It is a super-2 number, since 2×42054331² = 3537133511715122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42054361) 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, 40155 + ... + 41188.

It is an arithmetic number, because the mean of its divisors is an integer number (5856768).

Almost surely, 2^42054331 is an apocalyptic number.

42054331 is a deficient number, since it is larger than the sum of its proper divisors (4799813).

42054331 is a wasteful number, since it uses less digits than its factorization.

42054331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81401.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42054331 is about 6484.9310713376. The cubic root of 42054331 is about 347.7524856217.

Adding to 42054331 its reverse (13345024), we get a palindrome (55399355).

The spelling of 42054331 in words is "forty-two million, fifty-four thousand, three hundred thirty-one".