52684065800 has 24 divisors (see below), whose sum is σ = 122490453450. Its totient is φ = 21073626240.

The previous prime is 52684065799. The next prime is 52684065839. The reversal of 52684065800 is 856048625.

It can be written as a sum of positive squares in 3 ways, for example, as 29937996676 + 22746069124 = 173026^2 + 150818^2 .

It is a super-2 number, since 2×52684065800² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131709965 + ... + 131710364.

Almost surely, 2^52684065800 is an apocalyptic number.

52684065800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52684065800 is an abundant number, since it is smaller than the sum of its proper divisors (69806387650).

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

52684065800 is a wasteful number, since it uses less digits than its factorization.

52684065800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263420345 (or 263420336 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 52684065800 in words is "fifty-two billion, six hundred eighty-four million, sixty-five thousand, eight hundred".