56047273 has 4 divisors (see below), whose sum is σ = 56404420. Its totient is φ = 55690128.

The previous prime is 56047247. The next prime is 56047289. The reversal of 56047273 is 37274065.

It is a happy number.

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 18003049 + 38044224 = 4243^2 + 6168^2 .

It is a cyclic number.

It is not a de Polignac number, because 56047273 - 2⁵ = 56047241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56047073) 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, 178338 + ... + 178651.

It is an arithmetic number, because the mean of its divisors is an integer number (14101105).

Almost surely, 2^56047273 is an apocalyptic number.

It is an amenable number.

56047273 is a deficient number, since it is larger than the sum of its proper divisors (357147).

56047273 is a wasteful number, since it uses less digits than its factorization.

56047273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357146.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 56047273 is about 7486.4726674182. The cubic root of 56047273 is about 382.6938610329.

The spelling of 56047273 in words is "fifty-six million, forty-seven thousand, two hundred seventy-three".