56653 has 4 divisors (see below), whose sum is σ = 57148. Its totient is φ = 56160.

The previous prime is 56633. The next prime is 56659. The reversal of 56653 is 35665.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 484 + 56169 = 22^2 + 237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56653 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56659) 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, 25 + ... + 337.

It is an arithmetic number, because the mean of its divisors is an integer number (14287).

2⁵⁶⁶⁵³ is an apocalyptic number.

It is an amenable number.

56653 is a deficient number, since it is larger than the sum of its proper divisors (495).

56653 is a wasteful number, since it uses less digits than its factorization.

56653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its digits is 2700, while the sum is 25.

The square root of 56653 is about 238.0189068120. The cubic root of 56653 is about 38.4067569851.

The spelling of 56653 in words is "fifty-six thousand, six hundred fifty-three".