52640200 has 24 divisors (see below), whose sum is σ = 122388930. Its totient is φ = 21056000.

The previous prime is 52640197. The next prime is 52640209. The reversal of 52640200 is 204625.

It can be written as a sum of positive squares in 3 ways, for example, as 24740676 + 27899524 = 4974^2 + 5282^2 .

It is not an unprimeable number, because it can be changed into a prime (52640209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131401 + ... + 131800.

Almost surely, 2^52640200 is an apocalyptic number.

52640200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52640200 is an abundant number, since it is smaller than the sum of its proper divisors (69748730).

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

52640200 is a wasteful number, since it uses less digits than its factorization.

52640200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263217 (or 263208 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52640200 is about 7255.3566418199. The cubic root of 52640200 is about 374.7766373545.

Adding to 52640200 its reverse (204625), we get a palindrome (52844825).

The spelling of 52640200 in words is "fifty-two million, six hundred forty thousand, two hundred".