52381755680 has 96 divisors (see below), whose sum is σ = 127505435904. Its totient is φ = 20325093376.

The previous prime is 52381755667. The next prime is 52381755703. The reversal of 52381755680 is 8655718325.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818939 + ... + 880581.

It is an arithmetic number, because the mean of its divisors is an integer number (1328181624).

Almost surely, 2^52381755680 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 52381755680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63752717952).

52381755680 is an abundant number, since it is smaller than the sum of its proper divisors (75123680224).

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

52381755680 is a wasteful number, since it uses less digits than its factorization.

52381755680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61818 (or 61810 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 52381755680 in words is "fifty-two billion, three hundred eighty-one million, seven hundred fifty-five thousand, six hundred eighty".