56889447 has 8 divisors (see below), whose sum is σ = 75901056. Its totient is φ = 37902072.

The previous prime is 56889397. The next prime is 56889449. The reversal of 56889447 is 74498865.

56889447 is nontrivially palindromic in base 4.

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

It is not a de Polignac number, because 56889447 - 2⁷ = 56889319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56889447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56889449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408 + ... + 10674.

It is an arithmetic number, because the mean of its divisors is an integer number (9487632).

Almost surely, 2^56889447 is an apocalyptic number.

56889447 is a deficient number, since it is larger than the sum of its proper divisors (19011609).

56889447 is a wasteful number, since it uses less digits than its factorization.

56889447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12117.

The product of its digits is 1935360, while the sum is 51.

The square root of 56889447 is about 7542.5093304550. The cubic root of 56889447 is about 384.6011431229.

The spelling of 56889447 in words is "fifty-six million, eight hundred eighty-nine thousand, four hundred forty-seven".