56417789 has 8 divisors (see below), whose sum is σ = 58514520. Its totient is φ = 54331200.

The previous prime is 56417759. The next prime is 56417791. The reversal of 56417789 is 98771465.

It can be written as a sum of positive squares in 4 ways, for example, as 17689 + 56400100 = 133^2 + 7510^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56417789 - 2²⁰ = 55369213 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 (56417749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9899 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (7314315).

Almost surely, 2^56417789 is an apocalyptic number.

It is an amenable number.

56417789 is a deficient number, since it is larger than the sum of its proper divisors (2096731).

56417789 is a wasteful number, since it uses less digits than its factorization.

56417789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071.

The product of its digits is 423360, while the sum is 47.

The square root of 56417789 is about 7511.1776040778. The cubic root of 56417789 is about 383.5353107412.

The spelling of 56417789 in words is "fifty-six million, four hundred seventeen thousand, seven hundred eighty-nine".