52800318 has 48 divisors (see below), whose sum is σ = 120800160. Its totient is φ = 16634112.

The previous prime is 52800313. The next prime is 52800323. The reversal of 52800318 is 81300825.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52800313) and next prime (52800323).

It is a super-2 number, since 2×52800318² = 5575747161802248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52800291 and 52800300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52800311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36130 + ... + 37562.

It is an arithmetic number, because the mean of its divisors is an integer number (2516670).

Almost surely, 2^52800318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52800318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60400080).

52800318 is an abundant number, since it is smaller than the sum of its proper divisors (67999842).

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

52800318 is a wasteful number, since it uses less digits than its factorization.

52800318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 52800318 is about 7266.3827314559. The cubic root of 52800318 is about 375.1562442249.

The spelling of 52800318 in words is "fifty-two million, eight hundred thousand, three hundred eighteen".