56608789 has 4 divisors (see below), whose sum is σ = 57568320. Its totient is φ = 55649260.

The previous prime is 56608787. The next prime is 56608807. The reversal of 56608789 is 98780665.

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 56608789 - 2¹ = 56608787 is a prime.

It is a Smith number, since the sum of its digits (49) 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 (56608781) 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, 479677 + ... + 479794.

It is an arithmetic number, because the mean of its divisors is an integer number (14392080).

Almost surely, 2^56608789 is an apocalyptic number.

56608789 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

56608789 is a deficient number, since it is larger than the sum of its proper divisors (959531).

56608789 is an equidigital number, since it uses as much as digits as its factorization.

56608789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959530.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 56608789 is about 7523.8812457401. The cubic root of 56608789 is about 383.9676373370.

The spelling of 56608789 in words is "fifty-six million, six hundred eight thousand, seven hundred eighty-nine".