50806997 has 2 divisors, whose sum is σ = 50806998. Its totient is φ = 50806996.

The previous prime is 50806993. The next prime is 50807017. The reversal of 50806997 is 79960805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35117476 + 15689521 = 5926^2 + 3961^2 .

It is a cyclic number.

It is not a de Polignac number, because 50806997 - 2² = 50806993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50806991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25403498 + 25403499.

It is an arithmetic number, because the mean of its divisors is an integer number (25403499).

Almost surely, 2^50806997 is an apocalyptic number.

It is an amenable number.

50806997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50806997 is an equidigital number, since it uses as much as digits as its factorization.

50806997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 50806997 is about 7127.9027069679. The cubic root of 50806997 is about 370.3745829090.

The spelling of 50806997 in words is "fifty million, eight hundred six thousand, nine hundred ninety-seven".