52806538900 has 18 divisors (see below), whose sum is σ = 114590189630. Its totient is φ = 21122615520.

The previous prime is 52806538877. The next prime is 52806538957. The reversal of 52806538900 is 983560825.

It can be written as a sum of positive squares in 3 ways, for example, as 2035633924 + 50770904976 = 45118^2 + 225324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264032595 + ... + 264032794.

Almost surely, 2^52806538900 is an apocalyptic number.

52806538900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52806538900 is an abundant number, since it is smaller than the sum of its proper divisors (61783650730).

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

52806538900 is a wasteful number, since it uses less digits than its factorization.

52806538900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528065403 (or 528065396 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 52806538900 in words is "fifty-two billion, eight hundred six million, five hundred thirty-eight thousand, nine hundred".