56646722475876 has 192 divisors, whose sum is σ = 152740363603968. Its totient is φ = 16200710456832.

The previous prime is 56646722475869. The next prime is 56646722475883. The reversal of 56646722475876 is 67857422764665.

56646722475876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56646722475869) and next prime (56646722475883).

It is a junction number, because it is equal to n+sod(n) for n = 56646722475798 and 56646722475807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104207881 + ... + 104750063.

It is an arithmetic number, because the mean of its divisors is an integer number (795522727104).

Almost surely, 2^{56646722475876} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56646722475876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76370181801984).

56646722475876 is an abundant number, since it is smaller than the sum of its proper divisors (96093641128092).

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

56646722475876 is a wasteful number, since it uses less digits than its factorization.

56646722475876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543050 (or 543048 counting only the distinct ones).

The product of its digits is 5689958400, while the sum is 75.

The spelling of 56646722475876 in words is "fifty-six trillion, six hundred forty-six billion, seven hundred twenty-two million, four hundred seventy-five thousand, eight hundred seventy-six".