50780161 has 2 divisors, whose sum is σ = 50780162. Its totient is φ = 50780160.

The previous prime is 50780153. The next prime is 50780203. The reversal of 50780161 is 16108705.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27499536 + 23280625 = 5244^2 + 4825^2 .

It is a cyclic number.

It is not a de Polignac number, because 50780161 - 2³ = 50780153 is a prime.

It is not a weakly prime, because it can be changed into another prime (50780101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25390080 + 25390081.

It is an arithmetic number, because the mean of its divisors is an integer number (25390081).

Almost surely, 2^50780161 is an apocalyptic number.

It is an amenable number.

50780161 is a deficient number, since it is larger than the sum of its proper divisors (1).

50780161 is an equidigital number, since it uses as much as digits as its factorization.

50780161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 50780161 is about 7126.0199971653. The cubic root of 50780161 is about 370.3093614278.

Adding to 50780161 its reverse (16108705), we get a palindrome (66888866).

The spelling of 50780161 in words is "fifty million, seven hundred eighty thousand, one hundred sixty-one".