52240900 has 18 divisors (see below), whose sum is σ = 113362970. Its totient is φ = 20896320.

The previous prime is 52240897. The next prime is 52240913. The reversal of 52240900 is 904225.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 141376 + 52099524 = 376^2 + 7218^2 .

It is a super-2 number, since 2×52240900² = 5458223265620000, which 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, 261105 + ... + 261304.

Almost surely, 2^52240900 is an apocalyptic number.

52240900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52240900 is an abundant number, since it is smaller than the sum of its proper divisors (61122070).

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

52240900 is a wasteful number, since it uses less digits than its factorization.

52240900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522423 (or 522416 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 52240900 is about 7227.7866598289. The cubic root of 52240900 is about 373.8266137502.

The spelling of 52240900 in words is "fifty-two million, two hundred forty thousand, nine hundred".