49808459 has 2 divisors, whose sum is σ = 49808460. Its totient is φ = 49808458.

The previous prime is 49808441. The next prime is 49808471. The reversal of 49808459 is 95480894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49808459 - 2²⁰ = 48759883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49808489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24904229 + 24904230.

It is an arithmetic number, because the mean of its divisors is an integer number (24904230).

Almost surely, 2^49808459 is an apocalyptic number.

49808459 is a deficient number, since it is larger than the sum of its proper divisors (1).

49808459 is an equidigital number, since it uses as much as digits as its factorization.

49808459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 49808459 is about 7057.5108218125. The cubic root of 49808459 is about 367.9321191549.

The spelling of 49808459 in words is "forty-nine million, eight hundred eight thousand, four hundred fifty-nine".