56563100889 has 8 divisors (see below), whose sum is σ = 76653820032. Its totient is φ = 37090557840.

The previous prime is 56563100887. The next prime is 56563100933. The reversal of 56563100889 is 98800136565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56563100889 - 2¹ = 56563100887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56563100887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154543809 + ... + 154544174.

It is an arithmetic number, because the mean of its divisors is an integer number (9581727504).

Almost surely, 2^56563100889 is an apocalyptic number.

It is an amenable number.

56563100889 is a deficient number, since it is larger than the sum of its proper divisors (20090719143).

56563100889 is a wasteful number, since it uses less digits than its factorization.

56563100889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309088047.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 56563100889 in words is "fifty-six billion, five hundred sixty-three million, one hundred thousand, eight hundred eighty-nine".