50111442 has 24 divisors (see below), whose sum is σ = 109575180. Its totient is φ = 16549920.

The previous prime is 50111419. The next prime is 50111443. The reversal of 50111442 is 24411105.

It can be written as a sum of positive squares in 2 ways, for example, as 49829481 + 281961 = 7059^2 + 531^2 .

It is a super-2 number, since 2×50111442² = 5022313238638728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (50111443) 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, 10809 + ... + 14732.

Almost surely, 2^50111442 is an apocalyptic number.

50111442 is an abundant number, since it is smaller than the sum of its proper divisors (59463738).

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

50111442 is a wasteful number, since it uses less digits than its factorization.

50111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25658 (or 25655 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 50111442 is about 7078.9435652504. The cubic root of 50111442 is about 368.6766506602.

Adding to 50111442 its reverse (24411105), we get a palindrome (74522547).

The spelling of 50111442 in words is "fifty million, one hundred eleven thousand, four hundred forty-two".