56985899 has 8 divisors (see below), whose sum is σ = 59616000. Its totient is φ = 54400192.

The previous prime is 56985869. The next prime is 56985923. The reversal of 56985899 is 99858965.

56985899 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56985899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56985869) 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, 8459 + ... + 13620.

It is an arithmetic number, because the mean of its divisors is an integer number (7452000).

Almost surely, 2^56985899 is an apocalyptic number.

56985899 is a deficient number, since it is larger than the sum of its proper divisors (2630101).

56985899 is a wasteful number, since it uses less digits than its factorization.

56985899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22197.

The product of its digits is 6998400, while the sum is 59.

The square root of 56985899 is about 7548.9005159692. The cubic root of 56985899 is about 384.8183750048.

It can be divided in two parts, 569 and 85899, that added together give a palindrome (86468).

The spelling of 56985899 in words is "fifty-six million, nine hundred eighty-five thousand, eight hundred ninety-nine".