51817902229348 has 24 divisors (see below), whose sum is σ = 96150948679800. Its totient is φ = 24350501779968.

The previous prime is 51817902229339. The next prime is 51817902229381. The reversal of 51817902229348 is 84392220971815.

It can be written as a sum of positive squares in 4 ways, for example, as 15073355883364 + 36744546345984 = 3882442^2 + 6061728^2 .

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, 537348103 + ... + 537444526.

It is an arithmetic number, because the mean of its divisors is an integer number (4006289528325).

Almost surely, 2^{51817902229348} is an apocalyptic number.

It is an amenable number.

51817902229348 is a deficient number, since it is larger than the sum of its proper divisors (44333046450452).

51817902229348 is a wasteful number, since it uses less digits than its factorization.

51817902229348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074793359 (or 1074793357 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 51817902229348 in words is "fifty-one trillion, eight hundred seventeen billion, nine hundred two million, two hundred twenty-nine thousand, three hundred forty-eight".