52840318 has 16 divisors (see below), whose sum is σ = 84058560. Its totient is φ = 24825856.

The previous prime is 52840313. The next prime is 52840331. The reversal of 52840318 is 81304825.

It is a super-2 number, since 2×52840318² = 5584198412682248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52840318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52840313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36798 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (5253660).

Almost surely, 2^52840318 is an apocalyptic number.

52840318 is a deficient number, since it is larger than the sum of its proper divisors (31218242).

52840318 is a wasteful number, since it uses less digits than its factorization.

52840318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 52840318 is about 7269.1346114926. The cubic root of 52840318 is about 375.2509561667.

The spelling of 52840318 in words is "fifty-two million, eight hundred forty thousand, three hundred eighteen".