50221142 has 16 divisors (see below), whose sum is σ = 80256960. Its totient is φ = 23500872.

The previous prime is 50221133. The next prime is 50221159. The reversal of 50221142 is 24112205.

It is a self number, because there is not a number n which added to its sum of digits gives 50221142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4808 + ... + 11115.

It is an arithmetic number, because the mean of its divisors is an integer number (5016060).

Almost surely, 2^50221142 is an apocalyptic number.

50221142 is a deficient number, since it is larger than the sum of its proper divisors (30035818).

50221142 is a wasteful number, since it uses less digits than its factorization.

50221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16027.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 50221142 is about 7086.6876606776. The cubic root of 50221142 is about 368.9454804967.

Adding to 50221142 its reverse (24112205), we get a palindrome (74333347).

The spelling of 50221142 in words is "fifty million, two hundred twenty-one thousand, one hundred forty-two".