52864875555840 has 880 divisors, whose sum is σ = 200285850837600. Its totient is φ = 13296562864128.

The previous prime is 52864875555761. The next prime is 52864875555841. The reversal of 52864875555840 is 4855557846825.

52864875555840 is a `hidden beast` number, since 5 + 2 + 8 + 6 + 487 + 5 + 55 + 58 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (52864875555841) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1804432072 + ... + 1804461368.

It is an arithmetic number, because the mean of its divisors is an integer number (227597557770).

Almost surely, 2^{52864875555840} 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 52864875555840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100142925418800).

52864875555840 is an abundant number, since it is smaller than the sum of its proper divisors (147420975281760).

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

52864875555840 is a wasteful number, since it uses less digits than its factorization.

52864875555840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29582 (or 29555 counting only the distinct ones).

The product of its (nonzero) digits is 2150400000, while the sum is 72.

The spelling of 52864875555840 in words is "fifty-two trillion, eight hundred sixty-four billion, eight hundred seventy-five million, five hundred fifty-five thousand, eight hundred forty".