56055122623813 has 4 divisors (see below), whose sum is σ = 56059219934668. Its totient is φ = 56051025312960.

The previous prime is 56055122623807. The next prime is 56055122623861. The reversal of 56055122623813 is 31832622155065.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38568658274689 + 17486464349124 = 6210367^2 + 4181682^2 .

It is a cyclic number.

It is not a de Polignac number, because 56055122623813 - 2¹³ = 56055122615621 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 (56055122620813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048634906 + ... + 2048662267.

It is an arithmetic number, because the mean of its divisors is an integer number (14014804983667).

Almost surely, 2^{56055122623813} is an apocalyptic number.

It is an amenable number.

56055122623813 is a deficient number, since it is larger than the sum of its proper divisors (4097310855).

56055122623813 is a wasteful number, since it uses less digits than its factorization.

56055122623813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097310854.

The product of its (nonzero) digits is 2592000, while the sum is 49.

Adding to 56055122623813 its reverse (31832622155065), we get a palindrome (87887744778878).

The spelling of 56055122623813 in words is "fifty-six trillion, fifty-five billion, one hundred twenty-two million, six hundred twenty-three thousand, eight hundred thirteen".