51144132 has 36 divisors (see below), whose sum is σ = 129227280. Its totient is φ = 15736032.

The previous prime is 51144127. The next prime is 51144133. The reversal of 51144132 is 23144115.

It is a junction number, because it is equal to n+sod(n) for n = 51144099 and 51144108.

It is not an unprimeable number, because it can be changed into a prime (51144133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10582 + ... + 14637.

Almost surely, 2^51144132 is an apocalyptic number.

51144132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51144132 is an abundant number, since it is smaller than the sum of its proper divisors (78083148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51144132 is a wasteful number, since it uses less digits than its factorization.

51144132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25252 (or 25237 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 51144132 is about 7151.5125672825. The cubic root of 51144132 is about 371.1919969694.

Adding to 51144132 its reverse (23144115), we get a palindrome (74288247).

The spelling of 51144132 in words is "fifty-one million, one hundred forty-four thousand, one hundred thirty-two".