51966358090 has 16 divisors (see below), whose sum is σ = 93552230088. Its totient is φ = 20783702016.

The previous prime is 51966358069. The next prime is 51966358133. The reversal of 51966358090 is 9085366915.

51966358090 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 4 ways, for example, as 32570503729 + 19395854361 = 180473^2 + 139269^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277527 + ... + 425386.

Almost surely, 2^51966358090 is an apocalyptic number.

51966358090 is a deficient number, since it is larger than the sum of its proper divisors (41585871998).

51966358090 is a wasteful number, since it uses less digits than its factorization.

51966358090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710313.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 51966358090 in words is "fifty-one billion, nine hundred sixty-six million, three hundred fifty-eight thousand, ninety".