52388197632 has 360 divisors, whose sum is σ = 161007924000. Its totient is φ = 16935505920.

The previous prime is 52388197613. The next prime is 52388197633. The reversal of 52388197632 is 23679188325.

52388197632 is a `hidden beast` number, since 523 + 8 + 8 + 19 + 76 + 32 = 666.

It is a super-2 number, since 2×52388197632² (a number of 22 digits) contains 22 as substring.

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

Its product of digits (4354560) is a multiple of the sum of its prime divisors (648).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52388197633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104986119 + ... + 104986617.

Almost surely, 2^52388197632 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 52388197632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80503962000).

52388197632 is an abundant number, since it is smaller than the sum of its proper divisors (108619726368).

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

52388197632 is an equidigital number, since it uses as much as digits as its factorization.

52388197632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 648 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 52388197632 in words is "fifty-two billion, three hundred eighty-eight million, one hundred ninety-seven thousand, six hundred thirty-two".