47950171 has 2 divisors, whose sum is σ = 47950172. Its totient is φ = 47950170.

The previous prime is 47950169. The next prime is 47950181. The reversal of 47950171 is 17105974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47950171 - 2¹ = 47950169 is a prime.

Together with 47950169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47950151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23975085 + 23975086.

It is an arithmetic number, because the mean of its divisors is an integer number (23975086).

Almost surely, 2^47950171 is an apocalyptic number.

47950171 is a deficient number, since it is larger than the sum of its proper divisors (1).

47950171 is an equidigital number, since it uses as much as digits as its factorization.

47950171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 47950171 is about 6924.6061981892. The cubic root of 47950171 is about 363.2983176610.

The spelling of 47950171 in words is "forty-seven million, nine hundred fifty thousand, one hundred seventy-one".