50622161 has 2 divisors, whose sum is σ = 50622162. Its totient is φ = 50622160.

The previous prime is 50622127. The next prime is 50622181. The reversal of 50622161 is 16122605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46444225 + 4177936 = 6815^2 + 2044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50622161 is a prime.

It is not a weakly prime, because it can be changed into another prime (50622181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25311080 + 25311081.

It is an arithmetic number, because the mean of its divisors is an integer number (25311081).

Almost surely, 2^50622161 is an apocalyptic number.

It is an amenable number.

50622161 is a deficient number, since it is larger than the sum of its proper divisors (1).

50622161 is an equidigital number, since it uses as much as digits as its factorization.

50622161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 50622161 is about 7114.9252279978. The cubic root of 50622161 is about 369.9248958834.

Adding to 50622161 its reverse (16122605), we get a palindrome (66744766).

The spelling of 50622161 in words is "fifty million, six hundred twenty-two thousand, one hundred sixty-one".