53643001752 has 96 divisors (see below), whose sum is σ = 151848384480. Its totient is φ = 17075520000.

The previous prime is 53643001733. The next prime is 53643001757. The reversal of 53643001752 is 25710034635.

53643001752 is a `hidden beast` number, since 5 + 3 + 643 + 0 + 0 + 1 + 7 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53643001757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 995502 + ... + 1048002.

It is an arithmetic number, because the mean of its divisors is an integer number (1581754005).

Almost surely, 2^53643001752 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 53643001752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75924192240).

53643001752 is an abundant number, since it is smaller than the sum of its proper divisors (98205382728).

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

53643001752 is a wasteful number, since it uses less digits than its factorization.

53643001752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53153 (or 53146 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 53643001752 in words is "fifty-three billion, six hundred forty-three million, one thousand, seven hundred fifty-two".