52881640093 has 4 divisors (see below), whose sum is σ = 52883344800. Its totient is φ = 52879935388.

The previous prime is 52881640051. The next prime is 52881640127. The reversal of 52881640093 is 39004618825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52881640093 - 2²⁹ = 52344769181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52881640193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804943 + ... + 868156.

It is an arithmetic number, because the mean of its divisors is an integer number (13220836200).

Almost surely, 2^52881640093 is an apocalyptic number.

It is an amenable number.

52881640093 is a deficient number, since it is larger than the sum of its proper divisors (1704707).

52881640093 is a wasteful number, since it uses less digits than its factorization.

52881640093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704706.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 52881640093 in words is "fifty-two billion, eight hundred eighty-one million, six hundred forty thousand, ninety-three".