49166291 has 2 divisors, whose sum is σ = 49166292. Its totient is φ = 49166290.

The previous prime is 49166287. The next prime is 49166317. The reversal of 49166291 is 19266194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49166291 - 2² = 49166287 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (49166231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24583145 + 24583146.

It is an arithmetic number, because the mean of its divisors is an integer number (24583146).

Almost surely, 2^49166291 is an apocalyptic number.

49166291 is a deficient number, since it is larger than the sum of its proper divisors (1).

49166291 is an equidigital number, since it uses as much as digits as its factorization.

49166291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 49166291 is about 7011.8678681219. The cubic root of 49166291 is about 366.3440557204.

The spelling of 49166291 in words is "forty-nine million, one hundred sixty-six thousand, two hundred ninety-one".