51444332 has 12 divisors (see below), whose sum is σ = 90455736. Its totient is φ = 25599840.

The previous prime is 51444269. The next prime is 51444377. The reversal of 51444332 is 23344415.

51444332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29633 + ... + 31320.

It is an arithmetic number, because the mean of its divisors is an integer number (7537978).

Almost surely, 2^51444332 is an apocalyptic number.

It is an amenable number.

51444332 is a deficient number, since it is larger than the sum of its proper divisors (39011404).

51444332 is a wasteful number, since it uses less digits than its factorization.

51444332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61168 (or 61166 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 51444332 is about 7172.4704251743. The cubic root of 51444332 is about 371.9168407786.

Adding to 51444332 its reverse (23344415), we get a palindrome (74788747).

The spelling of 51444332 in words is "fifty-one million, four hundred forty-four thousand, three hundred thirty-two".