51143514 has 32 divisors (see below), whose sum is σ = 108781056. Its totient is φ = 15974400.

The previous prime is 51143503. The next prime is 51143551. The reversal of 51143514 is 41534115.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25239 + ... + 27189.

It is an arithmetic number, because the mean of its divisors is an integer number (3399408).

Almost surely, 2^51143514 is an apocalyptic number.

51143514 is an abundant number, since it is smaller than the sum of its proper divisors (57637542).

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

51143514 is a wasteful number, since it uses less digits than its factorization.

51143514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its digits is 1200, while the sum is 24.

The square root of 51143514 is about 7151.4693595093. The cubic root of 51143514 is about 371.1905018641.

Adding to 51143514 its reverse (41534115), we get a palindrome (92677629).

The spelling of 51143514 in words is "fifty-one million, one hundred forty-three thousand, five hundred fourteen".