51441443 has 4 divisors (see below), whose sum is σ = 51469320. Its totient is φ = 51413568.

The previous prime is 51441419. The next prime is 51441463. The reversal of 51441443 is 34414415.

It is a happy number.

51441443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51441443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51441413) 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, 10958 + ... + 14931.

It is an arithmetic number, because the mean of its divisors is an integer number (12867330).

Almost surely, 2^51441443 is an apocalyptic number.

51441443 is a deficient number, since it is larger than the sum of its proper divisors (27877).

51441443 is a wasteful number, since it uses less digits than its factorization.

51441443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27876.

The product of its digits is 3840, while the sum is 26.

The square root of 51441443 is about 7172.2690273023. The cubic root of 51441443 is about 371.9098786390.

Adding to 51441443 its reverse (34414415), we get a palindrome (85855858).

The spelling of 51441443 in words is "fifty-one million, four hundred forty-one thousand, four hundred forty-three".