51852444 has 96 divisors (see below), whose sum is σ = 148538880. Its totient is φ = 13747968.

The previous prime is 51852443. The next prime is 51852457. The reversal of 51852444 is 44425815.

It is a happy number.

51852444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51852443) 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, 84282 + ... + 84894.

It is an arithmetic number, because the mean of its divisors is an integer number (1547280).

Almost surely, 2^51852444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51852444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74269440).

51852444 is an abundant number, since it is smaller than the sum of its proper divisors (96686436).

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

51852444 is a wasteful number, since it uses less digits than its factorization.

51852444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 697 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 51852444 is about 7200.8641148129. The cubic root of 51852444 is about 372.8977335137.

The spelling of 51852444 in words is "fifty-one million, eight hundred fifty-two thousand, four hundred forty-four".