51441224 has 16 divisors (see below), whose sum is σ = 98805420. Its totient is φ = 25093120.

The previous prime is 51441197. The next prime is 51441233. The reversal of 51441224 is 42214415.

It can be written as a sum of positive squares in 2 ways, for example, as 42016324 + 9424900 = 6482^2 + 3070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51441224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78089 + ... + 78744.

Almost surely, 2^51441224 is an apocalyptic number.

It is an amenable number.

51441224 is a deficient number, since it is larger than the sum of its proper divisors (47364196).

51441224 is a wasteful number, since it uses less digits than its factorization.

51441224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156880 (or 156876 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 51441224 is about 7172.2537601510. The cubic root of 51441224 is about 371.9093508649.

Adding to 51441224 its reverse (42214415), we get a palindrome (93655639).

The spelling of 51441224 in words is "fifty-one million, four hundred forty-one thousand, two hundred twenty-four".