49844891 has 2 divisors, whose sum is σ = 49844892. Its totient is φ = 49844890.

The previous prime is 49844849. The next prime is 49844897. The reversal of 49844891 is 19844894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49844891 - 2¹⁰ = 49843867 is a prime.

It is not a weakly prime, because it can be changed into another prime (49844897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24922445 + 24922446.

It is an arithmetic number, because the mean of its divisors is an integer number (24922446).

Almost surely, 2^49844891 is an apocalyptic number.

49844891 is a deficient number, since it is larger than the sum of its proper divisors (1).

49844891 is an equidigital number, since it uses as much as digits as its factorization.

49844891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 47.

The square root of 49844891 is about 7060.0914300029. The cubic root of 49844891 is about 368.0218042964.

The spelling of 49844891 in words is "forty-nine million, eight hundred forty-four thousand, eight hundred ninety-one".