50197009 has 2 divisors, whose sum is σ = 50197010. Its totient is φ = 50197008.

The previous prime is 50196943. The next prime is 50197067. The reversal of 50197009 is 90079105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46785600 + 3411409 = 6840^2 + 1847^2 .

It is a cyclic number.

It is not a de Polignac number, because 50197009 - 2¹⁵ = 50164241 is a prime.

It is not a weakly prime, because it can be changed into another prime (50197099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25098504 + 25098505.

It is an arithmetic number, because the mean of its divisors is an integer number (25098505).

Almost surely, 2^50197009 is an apocalyptic number.

It is an amenable number.

50197009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50197009 is an equidigital number, since it uses as much as digits as its factorization.

50197009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 50197009 is about 7084.9847565115. The cubic root of 50197009 is about 368.8863739963.

The spelling of 50197009 in words is "fifty million, one hundred ninety-seven thousand, nine".