50045917 has 2 divisors, whose sum is σ = 50045918. Its totient is φ = 50045916.

The previous prime is 50045903. The next prime is 50045921. The reversal of 50045917 is 71954005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33570436 + 16475481 = 5794^2 + 4059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50045917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50045927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25022958 + 25022959.

It is an arithmetic number, because the mean of its divisors is an integer number (25022959).

Almost surely, 2^50045917 is an apocalyptic number.

It is an amenable number.

50045917 is a deficient number, since it is larger than the sum of its proper divisors (1).

50045917 is an equidigital number, since it uses as much as digits as its factorization.

50045917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 50045917 is about 7074.3138889931. The cubic root of 50045917 is about 368.5158884765.

The spelling of 50045917 in words is "fifty million, forty-five thousand, nine hundred seventeen".