50217697 has 2 divisors, whose sum is σ = 50217698. Its totient is φ = 50217696.

The previous prime is 50217653. The next prime is 50217707. The reversal of 50217697 is 79671205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45037521 + 5180176 = 6711^2 + 2276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50217697 is a prime.

It is not a weakly prime, because it can be changed into another prime (50217397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25108848 + 25108849.

It is an arithmetic number, because the mean of its divisors is an integer number (25108849).

Almost surely, 2^50217697 is an apocalyptic number.

It is an amenable number.

50217697 is a deficient number, since it is larger than the sum of its proper divisors (1).

50217697 is an equidigital number, since it uses as much as digits as its factorization.

50217697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 50217697 is about 7086.4445951408. Note that the first 3 decimals coincide. The cubic root of 50217697 is about 368.9370441676.

The spelling of 50217697 in words is "fifty million, two hundred seventeen thousand, six hundred ninety-seven".