49567289 has 2 divisors, whose sum is σ = 49567290. Its totient is φ = 49567288.

The previous prime is 49567283. The next prime is 49567307. The reversal of 49567289 is 98276594.

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., 31360000 + 18207289 = 5600^2 + 4267^2 .

It is a cyclic number.

It is not a de Polignac number, because 49567289 - 2¹² = 49563193 is a prime.

It is a super-2 number, since 2×49567289² = 4913832277619042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49567283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24783644 + 24783645.

It is an arithmetic number, because the mean of its divisors is an integer number (24783645).

Almost surely, 2^49567289 is an apocalyptic number.

It is an amenable number.

49567289 is a deficient number, since it is larger than the sum of its proper divisors (1).

49567289 is an equidigital number, since it uses as much as digits as its factorization.

49567289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 49567289 is about 7040.4040367013. The cubic root of 49567289 is about 367.3373219864.

The spelling of 49567289 in words is "forty-nine million, five hundred sixty-seven thousand, two hundred eighty-nine".