52193645680 has 80 divisors (see below), whose sum is σ = 132509206368. Its totient is φ = 18961280000.

The previous prime is 52193645579. The next prime is 52193645681. The reversal of 52193645680 is 8654639125.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52193645681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905730 + ... + 961630.

Almost surely, 2^52193645680 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 52193645680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66254603184).

52193645680 is an abundant number, since it is smaller than the sum of its proper divisors (80315560688).

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

52193645680 is a wasteful number, since it uses less digits than its factorization.

52193645680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56986 (or 56980 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 52193645680 in words is "fifty-two billion, one hundred ninety-three million, six hundred forty-five thousand, six hundred eighty".