56417289 has 8 divisors (see below), whose sum is σ = 79182240. Its totient is φ = 35631936.

The previous prime is 56417269. The next prime is 56417357. The reversal of 56417289 is 98271465.

56417289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56417289 - 2⁹ = 56416777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56417289.

It is not an unprimeable number, because it can be changed into a prime (56417269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494832 + ... + 494945.

It is an arithmetic number, because the mean of its divisors is an integer number (9897780).

Almost surely, 2^56417289 is an apocalyptic number.

It is an amenable number.

56417289 is a deficient number, since it is larger than the sum of its proper divisors (22764951).

56417289 is a wasteful number, since it uses less digits than its factorization.

56417289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989799.

The product of its digits is 120960, while the sum is 42.

The square root of 56417289 is about 7511.1443202750. The cubic root of 56417289 is about 383.5341777166.

The spelling of 56417289 in words is "fifty-six million, four hundred seventeen thousand, two hundred eighty-nine".