50422261 has 4 divisors (see below), whose sum is σ = 50631724. Its totient is φ = 50212800.

The previous prime is 50422247. The next prime is 50422291. The reversal of 50422261 is 16222405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16222405 = 5 ⋅3244481.

It can be written as a sum of positive squares in 2 ways, for example, as 23951236 + 26471025 = 4894^2 + 5145^2 .

It is a cyclic number.

It is not a de Polignac number, because 50422261 - 2¹¹ = 50420213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50422241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104370 + ... + 104851.

It is an arithmetic number, because the mean of its divisors is an integer number (12657931).

Almost surely, 2^50422261 is an apocalyptic number.

It is an amenable number.

50422261 is a deficient number, since it is larger than the sum of its proper divisors (209463).

50422261 is a wasteful number, since it uses less digits than its factorization.

50422261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209462.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 50422261 is about 7100.8633982073. The cubic root of 50422261 is about 369.4373259064.

Adding to 50422261 its reverse (16222405), we get a palindrome (66644666).

The spelling of 50422261 in words is "fifty million, four hundred twenty-two thousand, two hundred sixty-one".