51327444 has 96 divisors (see below), whose sum is σ = 147603456. Its totient is φ = 13559040.

The previous prime is 51327443. The next prime is 51327469. The reversal of 51327444 is 44472315.

51327444 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 (51327443) 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, 59464 + ... + 60320.

It is an arithmetic number, because the mean of its divisors is an integer number (1537536).

Almost surely, 2^51327444 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 51327444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73801728).

51327444 is an abundant number, since it is smaller than the sum of its proper divisors (96276012).

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

51327444 is a wasteful number, since it uses less digits than its factorization.

51327444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 923 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 51327444 is about 7164.3174134037. The cubic root of 51327444 is about 371.6349465400.

Adding to 51327444 its reverse (44472315), we get a palindrome (95799759).

The spelling of 51327444 in words is "fifty-one million, three hundred twenty-seven thousand, four hundred forty-four".