52557002000 has 160 divisors (see below), whose sum is σ = 134123558400. Its totient is φ = 19863936000.

The previous prime is 52557001999. The next prime is 52557002027. The reversal of 52557002000 is 20075525.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16376396 + ... + 16379604.

It is an arithmetic number, because the mean of its divisors is an integer number (838272240).

Almost surely, 2^52557002000 is an apocalyptic number.

52557002000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52557002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67061779200).

52557002000 is an abundant number, since it is smaller than the sum of its proper divisors (81566556400).

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

52557002000 is a wasteful number, since it uses less digits than its factorization.

52557002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

Adding to 52557002000 its reverse (20075525), we get a palindrome (52577077525).

The spelling of 52557002000 in words is "fifty-two billion, five hundred fifty-seven million, two thousand".