56198 has 4 divisors (see below), whose sum is σ = 84300. Its totient is φ = 28098.

The previous prime is 56197. The next prime is 56207. The reversal of 56198 is 89165.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 56198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14048 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (21075).

2⁵⁶¹⁹⁸ is an apocalyptic number.

56198 is a deficient number, since it is larger than the sum of its proper divisors (28102).

56198 is a wasteful number, since it uses less digits than its factorization.

56198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28101.

The product of its digits is 2160, while the sum is 29.

The square root of 56198 is about 237.0611735397. The cubic root of 56198 is about 38.3036611379.

Subtracting from 56198 its sum of digits (29), we obtain a square (56169 = 237²).

The spelling of 56198 in words is "fifty-six thousand, one hundred ninety-eight".