52255397064 has 256 divisors, whose sum is σ = 153498240000. Its totient is φ = 14686424064.

The previous prime is 52255397059. The next prime is 52255397081. The reversal of 52255397064 is 46079355225.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18535447 + ... + 18538265.

It is an arithmetic number, because the mean of its divisors is an integer number (599602500).

Almost surely, 2^52255397064 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 52255397064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76749120000).

52255397064 is an abundant number, since it is smaller than the sum of its proper divisors (101242842936).

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

52255397064 is a wasteful number, since it uses less digits than its factorization.

52255397064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 52255397064 in words is "fifty-two billion, two hundred fifty-five million, three hundred ninety-seven thousand, sixty-four".