52575396459840 has 560 divisors, whose sum is σ = 188150499187200. Its totient is φ = 13935497748480.

The previous prime is 52575396459829. The next prime is 52575396459893. The reversal of 52575396459840 is 4895469357525.

52575396459840 is a `hidden beast` number, since 5 + 2 + 5 + 7 + 5 + 3 + 96 + 459 + 84 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5689357620 + ... + 5689366860.

Almost surely, 2^{52575396459840} 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 52575396459840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94075249593600).

52575396459840 is an abundant number, since it is smaller than the sum of its proper divisors (135575102727360).

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

52575396459840 is a wasteful number, since it uses less digits than its factorization.

52575396459840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572 (or 10553 counting only the distinct ones).

The product of its (nonzero) digits is 1632960000, while the sum is 72.

The spelling of 52575396459840 in words is "fifty-two trillion, five hundred seventy-five billion, three hundred ninety-six million, four hundred fifty-nine thousand, eight hundred forty".