50085569 has 2 divisors, whose sum is σ = 50085570. Its totient is φ = 50085568.

The previous prime is 50085533. The next prime is 50085571. The reversal of 50085569 is 96558005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 10647169 = 6280^2 + 3263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50085569 is a prime.

It is a super-2 number, since 2×50085569² = 5017128444107522, which contains 22 as substring.

Together with 50085571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50085589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25042784 + 25042785.

It is an arithmetic number, because the mean of its divisors is an integer number (25042785).

Almost surely, 2^50085569 is an apocalyptic number.

It is an amenable number.

50085569 is a deficient number, since it is larger than the sum of its proper divisors (1).

50085569 is an equidigital number, since it uses as much as digits as its factorization.

50085569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 50085569 is about 7077.1158673573. The cubic root of 50085569 is about 368.6131893513.

The spelling of 50085569 in words is "fifty million, eighty-five thousand, five hundred sixty-nine".