51775959770 has 24 divisors (see below), whose sum is σ = 94527937332. Its totient is φ = 20418668480.

The previous prime is 51775959769. The next prime is 51775959791. The reversal of 51775959770 is 7795957715.

It can be written as a sum of positive squares in 2 ways, for example, as 50560670449 + 1215289321 = 224857^2 + 34861^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463139 + ... + 563958.

Almost surely, 2^51775959770 is an apocalyptic number.

51775959770 is a deficient number, since it is larger than the sum of its proper divisors (42751977562).

51775959770 is a wasteful number, since it uses less digits than its factorization.

51775959770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027246 (or 1027175 counting only the distinct ones).

The product of its (nonzero) digits is 24310125, while the sum is 62.

The spelling of 51775959770 in words is "fifty-one billion, seven hundred seventy-five million, nine hundred fifty-nine thousand, seven hundred seventy".