56220193 has 4 divisors (see below), whose sum is σ = 56429460. Its totient is φ = 56010928.

The previous prime is 56220191. The next prime is 56220217. The reversal of 56220193 is 39102265.

56220193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 31449664 = 4977^2 + 5608^2 .

It is a cyclic number.

It is not a de Polignac number, because 56220193 - 2¹ = 56220191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56220191) 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 3 ways as a sum of consecutive naturals, for example, 104230 + ... + 104767.

It is an arithmetic number, because the mean of its divisors is an integer number (14107365).

Almost surely, 2^56220193 is an apocalyptic number.

It is an amenable number.

56220193 is a deficient number, since it is larger than the sum of its proper divisors (209267).

56220193 is a wasteful number, since it uses less digits than its factorization.

56220193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209266.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 56220193 is about 7498.0126033503. The cubic root of 56220193 is about 383.0870260605.

The spelling of 56220193 in words is "fifty-six million, two hundred twenty thousand, one hundred ninety-three".