49211171 has 2 divisors, whose sum is σ = 49211172. Its totient is φ = 49211170.

The previous prime is 49211137. The next prime is 49211177. The reversal of 49211171 is 17111294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49211171 - 2¹⁸ = 48949027 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49211171.

It is not a weakly prime, because it can be changed into another prime (49211177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24605585 + 24605586.

It is an arithmetic number, because the mean of its divisors is an integer number (24605586).

Almost surely, 2^49211171 is an apocalyptic number.

49211171 is a deficient number, since it is larger than the sum of its proper divisors (1).

49211171 is an equidigital number, since it uses as much as digits as its factorization.

49211171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 26.

The square root of 49211171 is about 7015.0674266182. The cubic root of 49211171 is about 366.4554906128.

The spelling of 49211171 in words is "forty-nine million, two hundred eleven thousand, one hundred seventy-one".