49586891 has 2 divisors, whose sum is σ = 49586892. Its totient is φ = 49586890.

The previous prime is 49586881. The next prime is 49586893. The reversal of 49586891 is 19868594.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49586891 is a prime.

It is a Sophie Germain prime.

Together with 49586893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49586893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24793445 + 24793446.

It is an arithmetic number, because the mean of its divisors is an integer number (24793446).

Almost surely, 2^49586891 is an apocalyptic number.

49586891 is a deficient number, since it is larger than the sum of its proper divisors (1).

49586891 is an equidigital number, since it uses as much as digits as its factorization.

49586891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 49586891 is about 7041.7960067017. The cubic root of 49586891 is about 367.3857383067.

The spelling of 49586891 in words is "forty-nine million, five hundred eighty-six thousand, eight hundred ninety-one".