56817367 has 4 divisors (see below), whose sum is σ = 56833000. Its totient is φ = 56801736.

The previous prime is 56817347. The next prime is 56817403. The reversal of 56817367 is 76371865.

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 not a de Polignac number, because 56817367 - 2¹⁵ = 56784599 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 (56817307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808 + ... + 10690.

It is an arithmetic number, because the mean of its divisors is an integer number (14208250).

Almost surely, 2^56817367 is an apocalyptic number.

56817367 is a deficient number, since it is larger than the sum of its proper divisors (15633).

56817367 is an equidigital number, since it uses as much as digits as its factorization.

56817367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15632.

The product of its digits is 211680, while the sum is 43.

The square root of 56817367 is about 7537.7295653267. The cubic root of 56817367 is about 384.4386421775.

The spelling of 56817367 in words is "fifty-six million, eight hundred seventeen thousand, three hundred sixty-seven".