42054171 has 8 divisors (see below), whose sum is σ = 56250384. Its totient is φ = 27947040.

The previous prime is 42054157. The next prime is 42054203. The reversal of 42054171 is 17145024.

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

It is not a de Polignac number, because 42054171 - 2⁵ = 42054139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42054671) 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 7 ways as a sum of consecutive naturals, for example, 21160 + ... + 23061.

It is an arithmetic number, because the mean of its divisors is an integer number (7031298).

Almost surely, 2^42054171 is an apocalyptic number.

42054171 is a deficient number, since it is larger than the sum of its proper divisors (14196213).

42054171 is a wasteful number, since it uses less digits than its factorization.

42054171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44541.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 42054171 is about 6484.9187350344. The cubic root of 42054171 is about 347.7520446012.

Adding to 42054171 its reverse (17145024), we get a palindrome (59199195).

The spelling of 42054171 in words is "forty-two million, fifty-four thousand, one hundred seventy-one".