56573 has 8 divisors (see below), whose sum is σ = 63840. Its totient is φ = 49680.

The previous prime is 56569. The next prime is 56591. The reversal of 56573 is 37565.

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 56573 - 2² = 56569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56503) 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, 338 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (7980).

2⁵⁶⁵⁷³ is an apocalyptic number.

It is an amenable number.

56573 is a deficient number, since it is larger than the sum of its proper divisors (7267).

56573 is a wasteful number, since it uses less digits than its factorization.

56573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187.

The product of its digits is 3150, while the sum is 26.

The square root of 56573 is about 237.8507935661. The cubic root of 56573 is about 38.3886703410.

The spelling of 56573 in words is "fifty-six thousand, five hundred seventy-three".