56471171 has 4 divisors (see below), whose sum is σ = 56718000. Its totient is φ = 56224344.

The previous prime is 56471143. The next prime is 56471183. The reversal of 56471171 is 17117465.

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 56471171 - 2¹⁴ = 56454787 is a prime.

It is a super-2 number, since 2×56471171² = 6377986308222482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56471101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123071 + ... + 123528.

It is an arithmetic number, because the mean of its divisors is an integer number (14179500).

Almost surely, 2^56471171 is an apocalyptic number.

56471171 is a deficient number, since it is larger than the sum of its proper divisors (246829).

56471171 is a wasteful number, since it uses less digits than its factorization.

56471171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246828.

The product of its digits is 5880, while the sum is 32.

The square root of 56471171 is about 7514.7302679471. The cubic root of 56471171 is about 383.6562384858.

The spelling of 56471171 in words is "fifty-six million, four hundred seventy-one thousand, one hundred seventy-one".