52280381568 has 64 divisors (see below), whose sum is σ = 141824488320. Its totient is φ = 17056005120.

The previous prime is 52280381563. The next prime is 52280381597. The reversal of 52280381568 is 86518308225.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (52280381563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430323 + ... + 1466418.

It is an arithmetic number, because the mean of its divisors is an integer number (2216007630).

Almost surely, 2^52280381568 is an apocalyptic number.

It is an amenable number.

52280381568 is an abundant number, since it is smaller than the sum of its proper divisors (89544106752).

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

52280381568 is a wasteful number, since it uses less digits than its factorization.

52280381568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896805 (or 2896793 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 52280381568 in words is "fifty-two billion, two hundred eighty million, three hundred eighty-one thousand, five hundred sixty-eight".