50375209 has 2 divisors, whose sum is σ = 50375210. Its totient is φ = 50375208.

The previous prime is 50375201. The next prime is 50375257. The reversal of 50375209 is 90257305.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33177600 + 17197609 = 5760^2 + 4147^2 .

It is a cyclic number.

It is not a de Polignac number, because 50375209 - 2³ = 50375201 is a prime.

It is not a weakly prime, because it can be changed into another prime (50375201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25187604 + 25187605.

It is an arithmetic number, because the mean of its divisors is an integer number (25187605).

Almost surely, 2^50375209 is an apocalyptic number.

It is an amenable number.

50375209 is a deficient number, since it is larger than the sum of its proper divisors (1).

50375209 is an equidigital number, since it uses as much as digits as its factorization.

50375209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 50375209 is about 7097.5495066960. The cubic root of 50375209 is about 369.3223755222.

The spelling of 50375209 in words is "fifty million, three hundred seventy-five thousand, two hundred nine".