56087136589 has 4 divisors (see below), whose sum is σ = 61185967200. Its totient is φ = 50988305980.

The previous prime is 56087136563. The next prime is 56087136607. The reversal of 56087136589 is 98563178065.

56087136589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56087136589 - 2³¹ = 53939652941 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56087134589) 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, 2549415289 + ... + 2549415310.

It is an arithmetic number, because the mean of its divisors is an integer number (15296491800).

Almost surely, 2^56087136589 is an apocalyptic number.

It is an amenable number.

56087136589 is a deficient number, since it is larger than the sum of its proper divisors (5098830611).

56087136589 is a wasteful number, since it uses less digits than its factorization.

56087136589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098830610.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 56087136589 in words is "fifty-six billion, eighty-seven million, one hundred thirty-six thousand, five hundred eighty-nine".