49804891 has 2 divisors, whose sum is σ = 49804892. Its totient is φ = 49804890.

The previous prime is 49804847. The next prime is 49804901. The reversal of 49804891 is 19840894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49804891 - 2⁹ = 49804379 is a prime.

It is not a weakly prime, because it can be changed into another prime (49804991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24902445 + 24902446.

It is an arithmetic number, because the mean of its divisors is an integer number (24902446).

Almost surely, 2^49804891 is an apocalyptic number.

49804891 is a deficient number, since it is larger than the sum of its proper divisors (1).

49804891 is an equidigital number, since it uses as much as digits as its factorization.

49804891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 49804891 is about 7057.2580369432. The cubic root of 49804891 is about 367.9233334106.

The spelling of 49804891 in words is "forty-nine million, eight hundred four thousand, eight hundred ninety-one".