49928171 has 2 divisors, whose sum is σ = 49928172. Its totient is φ = 49928170.

The previous prime is 49928149. The next prime is 49928189. The reversal of 49928171 is 17182994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49928171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49928141) 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, 24964085 + 24964086.

It is an arithmetic number, because the mean of its divisors is an integer number (24964086).

Almost surely, 2^49928171 is an apocalyptic number.

49928171 is a deficient number, since it is larger than the sum of its proper divisors (1).

49928171 is an equidigital number, since it uses as much as digits as its factorization.

49928171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The square root of 49928171 is about 7065.9869091302. The cubic root of 49928171 is about 368.2266517868.

The spelling of 49928171 in words is "forty-nine million, nine hundred twenty-eight thousand, one hundred seventy-one".