42050 has 18 divisors (see below), whose sum is σ = 81003. Its totient is φ = 16240.

The previous prime is 42043. The next prime is 42061. The reversal of 42050 is 5024.

42050 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 5 ways, for example, as 16129 + 25921 = 127^2 + 161^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=145.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1436 + ... + 1464.

2⁴²⁰⁵⁰ is an apocalyptic number.

42050 is a deficient number, since it is larger than the sum of its proper divisors (38953).

42050 is a wasteful number, since it uses less digits than its factorization.

42050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 42050 is about 205.0609665441. The cubic root of 42050 is about 34.7740547353.

Adding to 42050 its reverse (5024), we get a palindrome (47074).

The spelling of 42050 in words is "forty-two thousand, fifty", and thus it is an eban number.