52552115616 has 1152 divisors, whose sum is σ = 204002426880. Its totient is φ = 11465625600.

The previous prime is 52552115579. The next prime is 52552115641. The reversal of 52552115616 is 61651125525.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 890713795 + ... + 890713853.

It is an arithmetic number, because the mean of its divisors is an integer number (177085440).

Almost surely, 2^52552115616 is an apocalyptic number.

52552115616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52552115616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102001213440).

52552115616 is an abundant number, since it is smaller than the sum of its proper divisors (151450311264).

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

52552115616 is a wasteful number, since it uses less digits than its factorization.

52552115616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 149 counting only the distinct ones).

The product of its digits is 90000, while the sum is 39.

Subtracting 52552115616 from its reverse (61651125525), we obtain a palindrome (9099009909).

The spelling of 52552115616 in words is "fifty-two billion, five hundred fifty-two million, one hundred fifteen thousand, six hundred sixteen".