50008997 has 2 divisors, whose sum is σ = 50008998. Its totient is φ = 50008996.

The previous prime is 50008993. The next prime is 50009009. The reversal of 50008997 is 79980005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41977441 + 8031556 = 6479^2 + 2834^2 .

It is a cyclic number.

It is not a de Polignac number, because 50008997 - 2² = 50008993 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50008997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50008991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25004498 + 25004499.

It is an arithmetic number, because the mean of its divisors is an integer number (25004499).

Almost surely, 2^50008997 is an apocalyptic number.

It is an amenable number.

50008997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50008997 is an equidigital number, since it uses as much as digits as its factorization.

50008997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 50008997 is about 7071.7039672203. The cubic root of 50008997 is about 368.4252453597.

The spelling of 50008997 in words is "fifty million, eight thousand, nine hundred ninety-seven".