51043444 has 12 divisors (see below), whose sum is σ = 89512864. Its totient is φ = 25468344.

The previous prime is 51043429. The next prime is 51043493. The reversal of 51043444 is 44434015.

51043444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51043444² = 5210866350762272, which contains 22 as substring.

It is a congruent number.

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, 11154 + ... + 15049.

Almost surely, 2^51043444 is an apocalyptic number.

It is an amenable number.

51043444 is a deficient number, since it is larger than the sum of its proper divisors (38469420).

51043444 is a wasteful number, since it uses less digits than its factorization.

51043444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26694 (or 26692 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 51043444 is about 7144.4694694568. The cubic root of 51043444 is about 370.9482470560.

Adding to 51043444 its reverse (44434015), we get a palindrome (95477459).

The spelling of 51043444 in words is "fifty-one million, forty-three thousand, four hundred forty-four".