56764243 has 4 divisors (see below), whose sum is σ = 56779600. Its totient is φ = 56748888.

The previous prime is 56764237. The next prime is 56764247. The reversal of 56764243 is 34246765.

56764243 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 brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56764243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56764247) 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, 1621 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (14194900).

Almost surely, 2^56764243 is an apocalyptic number.

56764243 is a deficient number, since it is larger than the sum of its proper divisors (15357).

56764243 is an equidigital number, since it uses as much as digits as its factorization.

56764243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15356.

The product of its digits is 120960, while the sum is 37.

The square root of 56764243 is about 7534.2048684649. The cubic root of 56764243 is about 384.3187886425.

The spelling of 56764243 in words is "fifty-six million, seven hundred sixty-four thousand, two hundred forty-three".