52757576640 has 896 divisors, whose sum is σ = 208044288000. Its totient is φ = 12525207552.

The previous prime is 52757576581. The next prime is 52757576653. The reversal of 52757576640 is 4667575725.

52757576640 is a `hidden beast` number, since 5 + 2 + 7 + 5 + 7 + 576 + 64 + 0 = 666.

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 127 ways as a sum of consecutive naturals, for example, 336035442 + ... + 336035598.

Almost surely, 2^52757576640 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 52757576640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104022144000).

52757576640 is an abundant number, since it is smaller than the sum of its proper divisors (155286711360).

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

52757576640 is a wasteful number, since it uses less digits than its factorization.

52757576640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 54.

The spelling of 52757576640 in words is "fifty-two billion, seven hundred fifty-seven million, five hundred seventy-six thousand, six hundred forty".