50609161 has 2 divisors, whose sum is σ = 50609162. Its totient is φ = 50609160.

The previous prime is 50609159. The next prime is 50609171. The reversal of 50609161 is 16190605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 553536 = 7075^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 50609161 - 2¹ = 50609159 is a prime.

It is a super-2 number, since 2×50609161² = 5122574354247842, which contains 22 as substring.

Together with 50609159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50609101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25304580 + 25304581.

It is an arithmetic number, because the mean of its divisors is an integer number (25304581).

Almost surely, 2^50609161 is an apocalyptic number.

It is an amenable number.

50609161 is a deficient number, since it is larger than the sum of its proper divisors (1).

50609161 is an equidigital number, since it uses as much as digits as its factorization.

50609161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 50609161 is about 7114.0115968418. The cubic root of 50609161 is about 369.8932270433.

Adding to 50609161 its reverse (16190605), we get a palindrome (66799766).

The spelling of 50609161 in words is "fifty million, six hundred nine thousand, one hundred sixty-one".