52284649920 has 448 divisors, whose sum is σ = 181182873600. Its totient is φ = 12730798080.

The previous prime is 52284649909. The next prime is 52284649943. The reversal of 52284649920 is 2994648225.

It is a happy number.

It is a congruent number.

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, 60866451 + ... + 60867309.

Almost surely, 2^52284649920 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 52284649920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90591436800).

52284649920 is an abundant number, since it is smaller than the sum of its proper divisors (128898223680).

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

52284649920 is a wasteful number, since it uses less digits than its factorization.

52284649920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 52284649920 in words is "fifty-two billion, two hundred eighty-four million, six hundred forty-nine thousand, nine hundred twenty".