52818656256 has 220 divisors, whose sum is σ = 159966172080. Its totient is φ = 17356308480.

The previous prime is 52818656201. The next prime is 52818656279. The reversal of 52818656256 is 65265681825.

It is a happy number.

52818656256 is a `hidden beast` number, since 5 + 2 + 8 + 1 + 8 + 6 + 5 + 625 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5884540 + ... + 5893508.

It is an arithmetic number, because the mean of its divisors is an integer number (727118964).

Almost surely, 2^52818656256 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 52818656256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79983086040).

52818656256 is an abundant number, since it is smaller than the sum of its proper divisors (107147515824).

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

52818656256 is an equidigital number, since it uses as much as digits as its factorization.

52818656256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072 (or 9045 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The spelling of 52818656256 in words is "fifty-two billion, eight hundred eighteen million, six hundred fifty-six thousand, two hundred fifty-six".