51482144 has 36 divisors (see below), whose sum is σ = 117906894. Its totient is φ = 22063104.

The previous prime is 51482143. The next prime is 51482149. The reversal of 51482144 is 44128415.

It can be written as a sum of positive squares in only one way, i.e., 41113744 + 10368400 = 6412^2 + 3220^2 .

It is a super-2 number, since 2×51482144² = 5300822301673472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51482143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14849 + ... + 17984.

Almost surely, 2^51482144 is an apocalyptic number.

It is an amenable number.

51482144 is an abundant number, since it is smaller than the sum of its proper divisors (66424750).

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

51482144 is a wasteful number, since it uses less digits than its factorization.

51482144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32857 (or 32842 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 51482144 is about 7175.1058528777. The cubic root of 51482144 is about 372.0079390914.

The spelling of 51482144 in words is "fifty-one million, four hundred eighty-two thousand, one hundred forty-four".