50771137 has 2 divisors, whose sum is σ = 50771138. Its totient is φ = 50771136.

The previous prime is 50771117. The next prime is 50771213. The reversal of 50771137 is 73117705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43020481 + 7750656 = 6559^2 + 2784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50771137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50771099 and 50771108.

It is not a weakly prime, because it can be changed into another prime (50771117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25385568 + 25385569.

It is an arithmetic number, because the mean of its divisors is an integer number (25385569).

Almost surely, 2^50771137 is an apocalyptic number.

It is an amenable number.

50771137 is a deficient number, since it is larger than the sum of its proper divisors (1).

50771137 is an equidigital number, since it uses as much as digits as its factorization.

50771137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5145, while the sum is 31.

The square root of 50771137 is about 7125.3867965185. The cubic root of 50771137 is about 370.2874245823.

The spelling of 50771137 in words is "fifty million, seven hundred seventy-one thousand, one hundred thirty-seven".