42271550 has 12 divisors (see below), whose sum is σ = 78625176. Its totient is φ = 16908600.

The previous prime is 42271549. The next prime is 42271577. The reversal of 42271550 is 5517224.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 422666 + ... + 422765.

It is an arithmetic number, because the mean of its divisors is an integer number (6552098).

Almost surely, 2^42271550 is an apocalyptic number.

42271550 is a deficient number, since it is larger than the sum of its proper divisors (36353626).

42271550 is a wasteful number, since it uses less digits than its factorization.

42271550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845443 (or 845438 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 42271550 is about 6501.6574809813. The cubic root of 42271550 is about 348.3501946667.

Adding to 42271550 its reverse (5517224), we get a palindrome (47788774).

The spelling of 42271550 in words is "forty-two million, two hundred seventy-one thousand, five hundred fifty".