56055122623820 has 48 divisors (see below), whose sum is σ = 123915741247200. Its totient is φ = 21241183910400.

The previous prime is 56055122623807. The next prime is 56055122623861. The reversal of 56055122623820 is 2832622155065.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8100986 + ... + 13331774.

It is an arithmetic number, because the mean of its divisors is an integer number (2581577942650).

Almost surely, 2^{56055122623820} is an apocalyptic number.

It is an amenable number.

56055122623820 is an abundant number, since it is smaller than the sum of its proper divisors (67860618623380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56055122623820 is a wasteful number, since it uses less digits than its factorization.

56055122623820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259018 (or 5259016 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

Adding to 56055122623820 its reverse (2832622155065), we get a palindrome (58887744778885).

The spelling of 56055122623820 in words is "fifty-six trillion, fifty-five billion, one hundred twenty-two million, six hundred twenty-three thousand, eight hundred twenty".