51852318 has 64 divisors (see below), whose sum is σ = 123944448. Its totient is φ = 14152320.

The previous prime is 51852313. The next prime is 51852323. The reversal of 51852318 is 81325815.

It is a happy number.

51852318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51852313) and next prime (51852323).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51852313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94521 + ... + 95067.

It is an arithmetic number, because the mean of its divisors is an integer number (1936632).

Almost surely, 2^51852318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51852318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61972224).

51852318 is an abundant number, since it is smaller than the sum of its proper divisors (72092130).

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

51852318 is a wasteful number, since it uses less digits than its factorization.

51852318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its digits is 9600, while the sum is 33.

The square root of 51852318 is about 7200.8553658576. The cubic root of 51852318 is about 372.8974314697.

It can be divided in two parts, 5185 and 2318, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 51852318 in words is "fifty-one million, eight hundred fifty-two thousand, three hundred eighteen".