52357128280 has 32 divisors (see below), whose sum is σ = 118484499600. Its totient is φ = 20821791616.

The previous prime is 52357128269. The next prime is 52357128281. The reversal of 52357128280 is 8282175325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52357128281) 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, 3776110 + ... + 3789949.

Almost surely, 2^52357128280 is an apocalyptic number.

It is an amenable number.

52357128280 is an abundant number, since it is smaller than the sum of its proper divisors (66127371320).

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

52357128280 is a wasteful number, since it uses less digits than its factorization.

52357128280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566243 (or 7566239 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 52357128280 in words is "fifty-two billion, three hundred fifty-seven million, one hundred twenty-eight thousand, two hundred eighty".