47455971 has 8 divisors (see below), whose sum is σ = 63311040. Its totient is φ = 31619112.

The previous prime is 47455951. The next prime is 47455981. The reversal of 47455971 is 17955474.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47455971 - 2⁶ = 47455907 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47455951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3636 + ... + 10398.

It is an arithmetic number, because the mean of its divisors is an integer number (7913880).

Almost surely, 2^47455971 is an apocalyptic number.

47455971 is a deficient number, since it is larger than the sum of its proper divisors (15855069).

47455971 is a wasteful number, since it uses less digits than its factorization.

47455971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105.

The product of its digits is 176400, while the sum is 42.

The square root of 47455971 is about 6888.8294361234. The cubic root of 47455971 is about 362.0458897086.

The spelling of 47455971 in words is "forty-seven million, four hundred fifty-five thousand, nine hundred seventy-one".