50359909 has 2 divisors, whose sum is σ = 50359910. Its totient is φ = 50359908.

The previous prime is 50359901. The next prime is 50359927. The reversal of 50359909 is 90995305.

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., 50268100 + 91809 = 7090^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 50359909 - 2³ = 50359901 is a prime.

It is a super-2 number, since 2×50359909² = 5072240868976562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50359901) 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, 25179954 + 25179955.

It is an arithmetic number, because the mean of its divisors is an integer number (25179955).

Almost surely, 2^50359909 is an apocalyptic number.

It is an amenable number.

50359909 is a deficient number, since it is larger than the sum of its proper divisors (1).

50359909 is an equidigital number, since it uses as much as digits as its factorization.

50359909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54675, while the sum is 40.

The square root of 50359909 is about 7096.4715880499. The cubic root of 50359909 is about 369.2849814374.

The spelling of 50359909 in words is "fifty million, three hundred fifty-nine thousand, nine hundred nine".