51444113 has 8 divisors (see below), whose sum is σ = 58842432. Its totient is φ = 44058096.

The previous prime is 51444109. The next prime is 51444119. The reversal of 51444113 is 31144415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51444113 - 2² = 51444109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51444119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9131 + ... + 13647.

It is an arithmetic number, because the mean of its divisors is an integer number (7355304).

Almost surely, 2^51444113 is an apocalyptic number.

It is an amenable number.

51444113 is a deficient number, since it is larger than the sum of its proper divisors (7398319).

51444113 is a wasteful number, since it uses less digits than its factorization.

51444113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6151.

The product of its digits is 960, while the sum is 23.

The square root of 51444113 is about 7172.4551584517. The cubic root of 51444113 is about 371.9163130243.

Adding to 51444113 its reverse (31144415), we get a palindrome (82588528).

The spelling of 51444113 in words is "fifty-one million, four hundred forty-four thousand, one hundred thirteen".