52881642518 has 12 divisors (see below), whose sum is σ = 84262964172. Its totient is φ = 24885478560.

The previous prime is 52881642511. The next prime is 52881642521. The reversal of 52881642518 is 81524618825.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52881642511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45744788 + ... + 45745943.

It is an arithmetic number, because the mean of its divisors is an integer number (7021913681).

Almost surely, 2^52881642518 is an apocalyptic number.

52881642518 is a deficient number, since it is larger than the sum of its proper divisors (31381321654).

52881642518 is a wasteful number, since it uses less digits than its factorization.

52881642518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91490767 (or 91490750 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 50.

The spelling of 52881642518 in words is "fifty-two billion, eight hundred eighty-one million, six hundred forty-two thousand, five hundred eighteen".