50569489 has 2 divisors, whose sum is σ = 50569490. Its totient is φ = 50569488.

The previous prime is 50569483. The next prime is 50569499. The reversal of 50569489 is 98496505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 14569489 = 6000^2 + 3817^2 .

It is a cyclic number.

It is not a de Polignac number, because 50569489 - 2³ = 50569481 is a prime.

It is a super-2 number, since 2×50569489² = 5114546435442242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50569481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25284744 + 25284745.

It is an arithmetic number, because the mean of its divisors is an integer number (25284745).

Almost surely, 2^50569489 is an apocalyptic number.

It is an amenable number.

50569489 is a deficient number, since it is larger than the sum of its proper divisors (1).

50569489 is an equidigital number, since it uses as much as digits as its factorization.

50569489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 50569489 is about 7111.2227499917. Note that the first 3 decimals coincide. The cubic root of 50569489 is about 369.7965499474.

The spelling of 50569489 in words is "fifty million, five hundred sixty-nine thousand, four hundred eighty-nine".