51711044 has 36 divisors (see below), whose sum is σ = 113686272. Its totient is φ = 20145840.

The previous prime is 51711041. The next prime is 51711053. The reversal of 51711044 is 44011715.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51711041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4244 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (3157952).

Almost surely, 2^51711044 is an apocalyptic number.

It is an amenable number.

51711044 is an abundant number, since it is smaller than the sum of its proper divisors (61975228).

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

51711044 is a wasteful number, since it uses less digits than its factorization.

51711044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296 (or 15283 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 51711044 is about 7191.0391460484. The cubic root of 51711044 is about 372.5584647660.

Adding to 51711044 its reverse (44011715), we get a palindrome (95722759).

The spelling of 51711044 in words is "fifty-one million, seven hundred eleven thousand, forty-four".