51144332 has 12 divisors (see below), whose sum is σ = 89555256. Its totient is φ = 25557120.

The previous prime is 51144307. The next prime is 51144349. The reversal of 51144332 is 23344115.

It is a junction number, because it is equal to n+sod(n) for n = 51144298 and 51144307.

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, 7907 + ... + 12837.

It is an arithmetic number, because the mean of its divisors is an integer number (7462938).

Almost surely, 2^51144332 is an apocalyptic number.

It is an amenable number.

51144332 is a deficient number, since it is larger than the sum of its proper divisors (38410924).

51144332 is a wasteful number, since it uses less digits than its factorization.

51144332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528 (or 7526 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 51144332 is about 7151.5265503248. The cubic root of 51144332 is about 371.1924808196.

Adding to 51144332 its reverse (23344115), we get a palindrome (74488447).

The spelling of 51144332 in words is "fifty-one million, one hundred forty-four thousand, three hundred thirty-two".