52217195520 has 352 divisors, whose sum is σ = 194952480768. Its totient is φ = 11680284672.

The previous prime is 52217195519. The next prime is 52217195543. The reversal of 52217195520 is 2559171225.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5048274 + ... + 5058606.

Almost surely, 2^52217195520 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 52217195520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97476240384).

52217195520 is an abundant number, since it is smaller than the sum of its proper divisors (142735285248).

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

52217195520 is a wasteful number, since it uses less digits than its factorization.

52217195520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415 (or 10397 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 52217195520 in words is "fifty-two billion, two hundred seventeen million, one hundred ninety-five thousand, five hundred twenty".