56173 has 8 divisors (see below), whose sum is σ = 63000. Its totient is φ = 49728.

The previous prime is 56171. The next prime is 56179. The reversal of 56173 is 37165.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 56169 = 2^2 + 237^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56173 - 2¹ = 56171 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (7875).

2⁵⁶¹⁷³ is an apocalyptic number.

It is an amenable number.

56173 is a deficient number, since it is larger than the sum of its proper divisors (6827).

56173 is a wasteful number, since it uses less digits than its factorization.

56173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 630, while the sum is 22.

The square root of 56173 is about 237.0084386683. The cubic root of 56173 is about 38.2979804283.

The spelling of 56173 in words is "fifty-six thousand, one hundred seventy-three".