48449591 has 2 divisors, whose sum is σ = 48449592. Its totient is φ = 48449590.

The previous prime is 48449573. The next prime is 48449593. The reversal of 48449591 is 19594484.

48449591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48449591 - 2²² = 44255287 is a prime.

Together with 48449593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48449593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24224795 + 24224796.

It is an arithmetic number, because the mean of its divisors is an integer number (24224796).

Almost surely, 2^48449591 is an apocalyptic number.

48449591 is a deficient number, since it is larger than the sum of its proper divisors (1).

48449591 is an equidigital number, since it uses as much as digits as its factorization.

48449591 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 48449591 is about 6960.5740424192. The cubic root of 48449591 is about 364.5552624163. Note that the first 3 decimals are identical.

The spelling of 48449591 in words is "forty-eight million, four hundred forty-nine thousand, five hundred ninety-one".