49815449 has 2 divisors, whose sum is σ = 49815450. Its totient is φ = 49815448.

The previous prime is 49815433. The next prime is 49815463. The reversal of 49815449 is 94451894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49603849 + 211600 = 7043^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 49815449 - 2⁴ = 49815433 is a prime.

It is not a weakly prime, because it can be changed into another prime (49815499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24907724 + 24907725.

It is an arithmetic number, because the mean of its divisors is an integer number (24907725).

Almost surely, 2^49815449 is an apocalyptic number.

It is an amenable number.

49815449 is a deficient number, since it is larger than the sum of its proper divisors (1).

49815449 is an equidigital number, since it uses as much as digits as its factorization.

49815449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 49815449 is about 7058.0060215333. The cubic root of 49815449 is about 367.9493299210.

The spelling of 49815449 in words is "forty-nine million, eight hundred fifteen thousand, four hundred forty-nine".