52583984891 has 4 divisors (see below), whose sum is σ = 52605564672. Its totient is φ = 52562405112.

The previous prime is 52583984863. The next prime is 52583984903. The reversal of 52583984891 is 19848938525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52583984891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52583984801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10786235 + ... + 10791108.

It is an arithmetic number, because the mean of its divisors is an integer number (13151391168).

Almost surely, 2^52583984891 is an apocalyptic number.

52583984891 is a deficient number, since it is larger than the sum of its proper divisors (21579781).

52583984891 is a wasteful number, since it uses less digits than its factorization.

52583984891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21579780.

The product of its digits is 24883200, while the sum is 62.

The spelling of 52583984891 in words is "fifty-two billion, five hundred eighty-three million, nine hundred eighty-four thousand, eight hundred ninety-one".