56556193 has 4 divisors (see below), whose sum is σ = 56791108. Its totient is φ = 56321280.

The previous prime is 56556187. The next prime is 56556197. The reversal of 56556193 is 39165565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39165565 = 5 ⋅7833113.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 41563809 = 3872^2 + 6447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56556193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56556197) 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, 117096 + ... + 117577.

It is an arithmetic number, because the mean of its divisors is an integer number (14197777).

Almost surely, 2^56556193 is an apocalyptic number.

It is an amenable number.

56556193 is a deficient number, since it is larger than the sum of its proper divisors (234915).

56556193 is a wasteful number, since it uses less digits than its factorization.

56556193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234914.

The product of its digits is 121500, while the sum is 40.

The square root of 56556193 is about 7520.3851630086. The cubic root of 56556193 is about 383.8486839614.

The spelling of 56556193 in words is "fifty-six million, five hundred fifty-six thousand, one hundred ninety-three".