52643678760 has 160 divisors (see below), whose sum is σ = 177047224200. Its totient is φ = 14029908480.

The previous prime is 52643678753. The next prime is 52643678809. The reversal of 52643678760 is 6787634625.

52643678760 is a `hidden beast` number, since 526 + 4 + 36 + 7 + 87 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39869706276 + 12773972484 = 199674^2 + 113022^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 52643678697 and 52643678706.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6933046 + ... + 6940634.

Almost surely, 2^52643678760 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 52643678760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88523612100).

52643678760 is an abundant number, since it is smaller than the sum of its proper divisors (124403545440).

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

52643678760 is a wasteful number, since it uses less digits than its factorization.

52643678760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9753 (or 9740 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 52643678760 in words is "fifty-two billion, six hundred forty-three million, six hundred seventy-eight thousand, seven hundred sixty".