56823865 has 8 divisors (see below), whose sum is σ = 77929920. Its totient is φ = 38964912.

The previous prime is 56823863. The next prime is 56823883. The reversal of 56823865 is 56832865.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56823865 - 2¹ = 56823863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56823863) 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 7 ways as a sum of consecutive naturals, for example, 811735 + ... + 811804.

It is an arithmetic number, because the mean of its divisors is an integer number (9741240).

Almost surely, 2^56823865 is an apocalyptic number.

It is an amenable number.

56823865 is a deficient number, since it is larger than the sum of its proper divisors (21106055).

56823865 is a wasteful number, since it uses less digits than its factorization.

56823865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623551.

The product of its digits is 345600, while the sum is 43.

The square root of 56823865 is about 7538.1605846519. The cubic root of 56823865 is about 384.4532972452.

The spelling of 56823865 in words is "fifty-six million, eight hundred twenty-three thousand, eight hundred sixty-five".