50667917 has 2 divisors, whose sum is σ = 50667918. Its totient is φ = 50667916.

The previous prime is 50667893. The next prime is 50667937. The reversal of 50667917 is 71976605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35450116 + 15217801 = 5954^2 + 3901^2 .

It is a cyclic number.

It is not a de Polignac number, because 50667917 - 2²² = 46473613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50667937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25333958 + 25333959.

It is an arithmetic number, because the mean of its divisors is an integer number (25333959).

Almost surely, 2^50667917 is an apocalyptic number.

It is an amenable number.

50667917 is a deficient number, since it is larger than the sum of its proper divisors (1).

50667917 is an equidigital number, since it uses as much as digits as its factorization.

50667917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 50667917 is about 7118.1399958135. The cubic root of 50667917 is about 370.0363173507.

The spelling of 50667917 in words is "fifty million, six hundred sixty-seven thousand, nine hundred seventeen".