52765758720 has 648 divisors, whose sum is σ = 201460188384. Its totient is φ = 13220610048.

The previous prime is 52765758701. The next prime is 52765758733. The reversal of 52765758720 is 2785756725.

52765758720 is a `hidden beast` number, since 5 + 2 + 7 + 6 + 57 + 587 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 89890267 + ... + 89890853.

Almost surely, 2^52765758720 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 52765758720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100730094192).

52765758720 is an abundant number, since it is smaller than the sum of its proper divisors (148694429664).

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

52765758720 is an equidigital number, since it uses as much as digits as its factorization.

52765758720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 54.

The spelling of 52765758720 in words is "fifty-two billion, seven hundred sixty-five million, seven hundred fifty-eight thousand, seven hundred twenty".