50615161 has 2 divisors, whose sum is σ = 50615162. Its totient is φ = 50615160.

The previous prime is 50615141. The next prime is 50615167. The reversal of 50615161 is 16151605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34164025 + 16451136 = 5845^2 + 4056^2 .

It is a cyclic number.

It is not a de Polignac number, because 50615161 - 2⁹ = 50614649 is a prime.

It is not a weakly prime, because it can be changed into another prime (50615167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25307580 + 25307581.

It is an arithmetic number, because the mean of its divisors is an integer number (25307581).

Almost surely, 2^50615161 is an apocalyptic number.

It is an amenable number.

50615161 is a deficient number, since it is larger than the sum of its proper divisors (1).

50615161 is an equidigital number, since it uses as much as digits as its factorization.

50615161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 50615161 is about 7114.4332873392. The cubic root of 50615161 is about 369.9078441049.

Adding to 50615161 its reverse (16151605), we get a palindrome (66766766).

The spelling of 50615161 in words is "fifty million, six hundred fifteen thousand, one hundred sixty-one".