52198845552 has 240 divisors, whose sum is σ = 180666769920. Its totient is φ = 14265351936.

The previous prime is 52198845551. The next prime is 52198845571. The reversal of 52198845552 is 25554889125.

52198845552 is a `hidden beast` number, since 5 + 2 + 1 + 9 + 8 + 84 + 5 + 552 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52198845551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 584274 + ... + 667662.

It is an arithmetic number, because the mean of its divisors is an integer number (752778208).

Almost surely, 2^52198845552 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 52198845552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90333384960).

52198845552 is an abundant number, since it is smaller than the sum of its proper divisors (128467924368).

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

52198845552 is a wasteful number, since it uses less digits than its factorization.

52198845552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83442 (or 83424 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 54.

The spelling of 52198845552 in words is "fifty-two billion, one hundred ninety-eight million, eight hundred forty-five thousand, five hundred fifty-two".