52520388480 has 384 divisors, whose sum is σ = 213959116800. Its totient is φ = 11617136640.

The previous prime is 52520388359. The next prime is 52520388497. The reversal of 52520388480 is 8488302525.

52520388480 is a `hidden beast` number, since 5 + 2 + 520 + 3 + 88 + 48 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-3 number, since 3×52520388480³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1228911 + ... + 1270929.

It is an arithmetic number, because the mean of its divisors is an integer number (557185200).

Almost surely, 2^52520388480 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 52520388480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106979558400).

52520388480 is an abundant number, since it is smaller than the sum of its proper divisors (161438728320).

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

52520388480 is a wasteful number, since it uses less digits than its factorization.

52520388480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42082 (or 42067 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 52520388480 in words is "fifty-two billion, five hundred twenty million, three hundred eighty-eight thousand, four hundred eighty".