49445321 has 2 divisors, whose sum is σ = 49445322. Its totient is φ = 49445320.

The previous prime is 49445317. The next prime is 49445329. The reversal of 49445321 is 12354494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 1073296 = 6955^2 + 1036^2 .

It is a cyclic number.

It is not a de Polignac number, because 49445321 - 2² = 49445317 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49445329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24722660 + 24722661.

It is an arithmetic number, because the mean of its divisors is an integer number (24722661).

Almost surely, 2^49445321 is an apocalyptic number.

It is an amenable number.

49445321 is a deficient number, since it is larger than the sum of its proper divisors (1).

49445321 is an equidigital number, since it uses as much as digits as its factorization.

49445321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 49445321 is about 7031.7366987111. The cubic root of 49445321 is about 367.0357777067.

The spelling of 49445321 in words is "forty-nine million, four hundred forty-five thousand, three hundred twenty-one".