51444141 has 16 divisors (see below), whose sum is σ = 79563264. Its totient is φ = 28957104.

The previous prime is 51444137. The next prime is 51444143. The reversal of 51444141 is 14144415.

It is not a de Polignac number, because 51444141 - 2² = 51444137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51444143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16875 + ... + 19688.

It is an arithmetic number, because the mean of its divisors is an integer number (4972704).

Almost surely, 2^51444141 is an apocalyptic number.

It is an amenable number.

51444141 is a deficient number, since it is larger than the sum of its proper divisors (28119123).

51444141 is a wasteful number, since it uses less digits than its factorization.

51444141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36640.

The product of its digits is 1280, while the sum is 24.

The square root of 51444141 is about 7172.4571103632. The cubic root of 51444141 is about 371.9163804998.

Adding to 51444141 its reverse (14144415), we get a palindrome (65588556).

It can be divided in two parts, 5144414 and 1, that added together give a palindrome (5144415).

The spelling of 51444141 in words is "fifty-one million, four hundred forty-four thousand, one hundred forty-one".