56818243351 has 4 divisors (see below), whose sum is σ = 56895129400. Its totient is φ = 56741357304.

The previous prime is 56818243337. The next prime is 56818243423. The reversal of 56818243351 is 15334281865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56818243351 - 2³⁵ = 22458504983 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 (56818243151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38441916 + ... + 38443393.

It is an arithmetic number, because the mean of its divisors is an integer number (14223782350).

Almost surely, 2^56818243351 is an apocalyptic number.

56818243351 is a deficient number, since it is larger than the sum of its proper divisors (76886049).

56818243351 is an equidigital number, since it uses as much as digits as its factorization.

56818243351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76886048.

The product of its digits is 691200, while the sum is 46.

The spelling of 56818243351 in words is "fifty-six billion, eight hundred eighteen million, two hundred forty-three thousand, three hundred fifty-one".