49547591 has 2 divisors, whose sum is σ = 49547592. Its totient is φ = 49547590.

The previous prime is 49547581. The next prime is 49547593. The reversal of 49547591 is 19574594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49547591 - 2¹⁸ = 49285447 is a prime.

Together with 49547593, 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 (49547593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24773795 + 24773796.

It is an arithmetic number, because the mean of its divisors is an integer number (24773796).

Almost surely, 2^49547591 is an apocalyptic number.

49547591 is a deficient number, since it is larger than the sum of its proper divisors (1).

49547591 is an equidigital number, since it uses as much as digits as its factorization.

49547591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 49547591 is about 7039.0049722954. The cubic root of 49547591 is about 367.2886556891.

The spelling of 49547591 in words is "forty-nine million, five hundred forty-seven thousand, five hundred ninety-one".