56542306513222 has 8 divisors (see below), whose sum is σ = 84839823926136. Its totient is φ = 28262365204512.

The previous prime is 56542306513193. The next prime is 56542306513271. The reversal of 56542306513222 is 22231560324565.

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

It is a congruent number.

It is an unprimeable number.

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, 4394018008 + ... + 4394030875.

It is an arithmetic number, because the mean of its divisors is an integer number (10604977990767).

Almost surely, 2^{56542306513222} is an apocalyptic number.

56542306513222 is a deficient number, since it is larger than the sum of its proper divisors (28297517412914).

56542306513222 is a wasteful number, since it uses less digits than its factorization.

56542306513222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788052102.

The product of its (nonzero) digits is 2592000, while the sum is 46.

Adding to 56542306513222 its reverse (22231560324565), we get a palindrome (78773866837787).

The spelling of 56542306513222 in words is "fifty-six trillion, five hundred forty-two billion, three hundred six million, five hundred thirteen thousand, two hundred twenty-two".