56727733 has 4 divisors (see below), whose sum is σ = 57689280. Its totient is φ = 55766188.

The previous prime is 56727709. The next prime is 56727739. The reversal of 56727733 is 33772765.

It is a happy number.

56727733 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, 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 56727733 - 2⁵ = 56727701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56727739) 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, 480685 + ... + 480802.

It is an arithmetic number, because the mean of its divisors is an integer number (14422320).

Almost surely, 2^56727733 is an apocalyptic number.

It is an amenable number.

56727733 is a deficient number, since it is larger than the sum of its proper divisors (961547).

56727733 is an equidigital number, since it uses as much as digits as its factorization.

56727733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961546.

The product of its digits is 185220, while the sum is 40.

The square root of 56727733 is about 7531.7815289611. The cubic root of 56727733 is about 384.2363747402.

The spelling of 56727733 in words is "fifty-six million, seven hundred twenty-seven thousand, seven hundred thirty-three".