42170050 has 24 divisors (see below), whose sum is σ = 84471156. Its totient is φ = 15570240.

The previous prime is 42170041. The next prime is 42170053. The reversal of 42170050 is 5007124.

It can be written as a sum of positive squares in 6 ways, for example, as 20277009 + 21893041 = 4503^2 + 4679^2 .

It is not an unprimeable number, because it can be changed into a prime (42170053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31789 + ... + 33088.

Almost surely, 2^42170050 is an apocalyptic number.

42170050 is an abundant number, since it is smaller than the sum of its proper divisors (42301106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42170050 is a wasteful number, since it uses less digits than its factorization.

42170050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64902 (or 64897 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 42170050 is about 6493.8470878209. The cubic root of 42170050 is about 348.0711584350.

Adding to 42170050 its reverse (5007124), we get a palindrome (47177174).

The spelling of 42170050 in words is "forty-two million, one hundred seventy thousand, fifty".