56804171 has 4 divisors (see below), whose sum is σ = 56843712. Its totient is φ = 56764632.

The previous prime is 56804159. The next prime is 56804177. The reversal of 56804171 is 17140865.

It is a happy number.

56804171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56804171 - 2⁶ = 56804107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56804177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17531 + ... + 20516.

It is an arithmetic number, because the mean of its divisors is an integer number (14210928).

Almost surely, 2^56804171 is an apocalyptic number.

56804171 is a deficient number, since it is larger than the sum of its proper divisors (39541).

56804171 is a wasteful number, since it uses less digits than its factorization.

56804171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39540.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 56804171 is about 7536.8541846051. The cubic root of 56804171 is about 384.4088775393.

The spelling of 56804171 in words is "fifty-six million, eight hundred four thousand, one hundred seventy-one".