47053171 has 4 divisors (see below), whose sum is σ = 51330744. Its totient is φ = 42775600.

The previous prime is 47053151. The next prime is 47053187. The reversal of 47053171 is 17135074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47053171 - 2⁷ = 47053043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47053121) 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 in 3 ways as a sum of consecutive naturals, for example, 2138770 + ... + 2138791.

It is an arithmetic number, because the mean of its divisors is an integer number (12832686).

Almost surely, 2^47053171 is an apocalyptic number.

47053171 is a deficient number, since it is larger than the sum of its proper divisors (4277573).

47053171 is a wasteful number, since it uses less digits than its factorization.

47053171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277572.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 47053171 is about 6859.5313979892. The cubic root of 47053171 is about 361.0186453027.

The spelling of 47053171 in words is "forty-seven million, fifty-three thousand, one hundred seventy-one".