52287657520 has 320 divisors, whose sum is σ = 152202758400. Its totient is φ = 16296837120.

The previous prime is 52287657511. The next prime is 52287657559. The reversal of 52287657520 is 2575678225.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42544266 + ... + 42545494.

It is an arithmetic number, because the mean of its divisors is an integer number (475633620).

Almost surely, 2^52287657520 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 52287657520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76101379200).

52287657520 is an abundant number, since it is smaller than the sum of its proper divisors (99915100880).

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

52287657520 is a wasteful number, since it uses less digits than its factorization.

52287657520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 52287657520 in words is "fifty-two billion, two hundred eighty-seven million, six hundred fifty-seven thousand, five hundred twenty".