50107691 has 2 divisors, whose sum is σ = 50107692. Its totient is φ = 50107690.

The previous prime is 50107661. The next prime is 50107709. The reversal of 50107691 is 19670105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50107691 is a prime.

It is not a weakly prime, because it can be changed into another prime (50107661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25053845 + 25053846.

It is an arithmetic number, because the mean of its divisors is an integer number (25053846).

Almost surely, 2^50107691 is an apocalyptic number.

50107691 is a deficient number, since it is larger than the sum of its proper divisors (1).

50107691 is an equidigital number, since it uses as much as digits as its factorization.

50107691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 50107691 is about 7078.6786196295. The cubic root of 50107691 is about 368.6674515594.

Adding to 50107691 its reverse (19670105), we get a palindrome (69777796).

The spelling of 50107691 in words is "fifty million, one hundred seven thousand, six hundred ninety-one".