56899 has 4 divisors (see below), whose sum is σ = 60264. Its totient is φ = 53536.

The previous prime is 56897. The next prime is 56909. The reversal of 56899 is 99865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99865 = 5 ⋅19973.

It is a cyclic number.

It is not a de Polignac number, because 56899 - 2¹ = 56897 is a prime.

It is a Duffinian number.

56899 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56891) 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, 1657 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (15066).

2⁵⁶⁸⁹⁹ is an apocalyptic number.

56899 is a deficient number, since it is larger than the sum of its proper divisors (3365).

56899 is a wasteful number, since it uses less digits than its factorization.

56899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364.

The product of its digits is 19440, while the sum is 37.

The square root of 56899 is about 238.5351127193. The cubic root of 56899 is about 38.4622669606.

The spelling of 56899 in words is "fifty-six thousand, eight hundred ninety-nine".