56791193 has 4 divisors (see below), whose sum is σ = 58749540. Its totient is φ = 54832848.

The previous prime is 56791159. The next prime is 56791199. The reversal of 56791193 is 39119765.

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 27164944 + 29626249 = 5212^2 + 5443^2 .

It is a cyclic number.

It is not a de Polignac number, because 56791193 - 2⁶ = 56791129 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 56791193.

It is not an unprimeable number, because it can be changed into a prime (56791199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979130 + ... + 979187.

It is an arithmetic number, because the mean of its divisors is an integer number (14687385).

Almost surely, 2^56791193 is an apocalyptic number.

It is an amenable number.

56791193 is a deficient number, since it is larger than the sum of its proper divisors (1958347).

56791193 is a wasteful number, since it uses less digits than its factorization.

56791193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958346.

The product of its digits is 51030, while the sum is 41.

The square root of 56791193 is about 7535.9931661328. The cubic root of 56791193 is about 384.3796001212.

The spelling of 56791193 in words is "fifty-six million, seven hundred ninety-one thousand, one hundred ninety-three".