51244132 has 12 divisors (see below), whose sum is σ = 91763056. Its totient is φ = 25026120.

The previous prime is 51244129. The next prime is 51244139. The reversal of 51244132 is 23144215.

51244132 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 2×51244132² = 5251922128866848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51244139) 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, 148794 + ... + 149137.

Almost surely, 2^51244132 is an apocalyptic number.

It is an amenable number.

51244132 is a deficient number, since it is larger than the sum of its proper divisors (40518924).

51244132 is a wasteful number, since it uses less digits than its factorization.

51244132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297978 (or 297976 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 51244132 is about 7158.5006810086. The cubic root of 51244132 is about 371.4337649034.

Adding to 51244132 its reverse (23144215), we get a palindrome (74388347).

It can be divided in two parts, 512 and 44132, that added together give a palindrome (44644).

The spelling of 51244132 in words is "fifty-one million, two hundred forty-four thousand, one hundred thirty-two".