51759368 has 8 divisors (see below), whose sum is σ = 97048830. Its totient is φ = 25879680.

The previous prime is 51759349. The next prime is 51759377. The reversal of 51759368 is 86395715.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 465124 = 7162^2 + 682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234953 + ... + 3234968.

Almost surely, 2^51759368 is an apocalyptic number.

It is an amenable number.

51759368 is a deficient number, since it is larger than the sum of its proper divisors (45289462).

51759368 is a wasteful number, since it uses less digits than its factorization.

51759368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469927 (or 6469923 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 51759368 is about 7194.3983765149. The cubic root of 51759368 is about 372.6744806668.

The spelling of 51759368 in words is "fifty-one million, seven hundred fifty-nine thousand, three hundred sixty-eight".