51707044 has 6 divisors (see below), whose sum is σ = 90487334. Its totient is φ = 25853520.

The previous prime is 51707021. The next prime is 51707053. The reversal of 51707044 is 44070715.

51707044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 2286144 = 7030^2 + 1512^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6463377 + ... + 6463384.

Almost surely, 2^51707044 is an apocalyptic number.

It is an amenable number.

51707044 is a deficient number, since it is larger than the sum of its proper divisors (38780290).

51707044 is a wasteful number, since it uses less digits than its factorization.

51707044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926765 (or 12926763 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 51707044 is about 7190.7610167492. The cubic root of 51707044 is about 372.5488583571.

Adding to 51707044 its reverse (44070715), we get a palindrome (95777759).

The spelling of 51707044 in words is "fifty-one million, seven hundred seven thousand, forty-four".