51343144 has 16 divisors (see below), whose sum is σ = 96546420. Its totient is φ = 25597440.

The previous prime is 51343139. The next prime is 51343169. The reversal of 51343144 is 44134315.

It can be written as a sum of positive squares in 2 ways, for example, as 48580900 + 2762244 = 6970^2 + 1662^2 .

It is a super-2 number, since 2×51343144² = 5272236871609472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6267 + ... + 11914.

Almost surely, 2^51343144 is an apocalyptic number.

It is an amenable number.

51343144 is a deficient number, since it is larger than the sum of its proper divisors (45203276).

51343144 is a wasteful number, since it uses less digits than its factorization.

51343144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540 (or 18536 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 51343144 is about 7165.4130376413. The cubic root of 51343144 is about 371.6728344833.

Adding to 51343144 its reverse (44134315), we get a palindrome (95477459).

The spelling of 51343144 in words is "fifty-one million, three hundred forty-three thousand, one hundred forty-four".