51332444 has 12 divisors (see below), whose sum is σ = 90117384. Its totient is φ = 25584624.

The previous prime is 51332423. The next prime is 51332447. The reversal of 51332444 is 44423315.

51332444 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 (51332447) 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 3 ways as a sum of consecutive naturals, for example, 18974 + ... + 21509.

It is an arithmetic number, because the mean of its divisors is an integer number (7509782).

Almost surely, 2^51332444 is an apocalyptic number.

It is an amenable number.

51332444 is a deficient number, since it is larger than the sum of its proper divisors (38784940).

51332444 is a wasteful number, since it uses less digits than its factorization.

51332444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40804 (or 40802 counting only the distinct ones).

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

The square root of 51332444 is about 7164.6663565026. Note that the first 3 decimals coincide. The cubic root of 51332444 is about 371.6470136024.

Adding to 51332444 its reverse (44423315), we get a palindrome (95755759).

The spelling of 51332444 in words is "fifty-one million, three hundred thirty-two thousand, four hundred forty-four".