56198743 has 4 divisors (see below), whose sum is σ = 56224728. Its totient is φ = 56172760.

The previous prime is 56198731. The next prime is 56198749. The reversal of 56198743 is 34789165.

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 56198743 - 2⁹ = 56198231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56198743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56198749) 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, 9421 + ... + 14182.

It is an arithmetic number, because the mean of its divisors is an integer number (14056182).

Almost surely, 2^56198743 is an apocalyptic number.

56198743 is a deficient number, since it is larger than the sum of its proper divisors (25985).

56198743 is a wasteful number, since it uses less digits than its factorization.

56198743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984.

The product of its digits is 181440, while the sum is 43.

The square root of 56198743 is about 7496.5820878584. The cubic root of 56198743 is about 383.0382994284.

The spelling of 56198743 in words is "fifty-six million, one hundred ninety-eight thousand, seven hundred forty-three".