52595921840 has 600 divisors, whose sum is σ = 164081414784. Its totient is φ = 15647385600.

The previous prime is 52595921831. The next prime is 52595921843. The reversal of 52595921840 is 4812959525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52595921843) 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 119 ways as a sum of consecutive naturals, for example, 720492044 + ... + 720492116.

Almost surely, 2^52595921840 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 52595921840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82040707392).

52595921840 is an abundant number, since it is smaller than the sum of its proper divisors (111485492944).

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

52595921840 is a wasteful number, since it uses less digits than its factorization.

52595921840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 52595921840 in words is "fifty-two billion, five hundred ninety-five million, nine hundred twenty-one thousand, eight hundred forty".