56188243 has 4 divisors (see below), whose sum is σ = 56358328. Its totient is φ = 56018160.

The previous prime is 56188217. The next prime is 56188267. The reversal of 56188243 is 34288165.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56188243 - 2¹³ = 56180051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56188273) 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, 84546 + ... + 85207.

It is an arithmetic number, because the mean of its divisors is an integer number (14089582).

Almost surely, 2^56188243 is an apocalyptic number.

56188243 is a deficient number, since it is larger than the sum of its proper divisors (170085).

56188243 is a wasteful number, since it uses less digits than its factorization.

56188243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170084.

The product of its digits is 46080, while the sum is 37.

The square root of 56188243 is about 7495.8817359934. The cubic root of 56188243 is about 383.0144427106.

It can be divided in two parts, 5618 and 8243, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 56188243 in words is "fifty-six million, one hundred eighty-eight thousand, two hundred forty-three".