56733 has 4 divisors (see below), whose sum is σ = 75648. Its totient is φ = 37820.

The previous prime is 56731. The next prime is 56737. The reversal of 56733 is 33765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56733 - 2¹ = 56731 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56731) 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 3 ways as a sum of consecutive naturals, for example, 9453 + ... + 9458.

It is an arithmetic number, because the mean of its divisors is an integer number (18912).

2⁵⁶⁷³³ is an apocalyptic number.

It is an amenable number.

56733 is a deficient number, since it is larger than the sum of its proper divisors (18915).

56733 is a wasteful number, since it uses less digits than its factorization.

56733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914.

The product of its digits is 1890, while the sum is 24.

The square root of 56733 is about 238.1869014031. The cubic root of 56733 is about 38.4248266104.

The spelling of 56733 in words is "fifty-six thousand, seven hundred thirty-three".