56047263 has 4 divisors (see below), whose sum is σ = 74729688. Its totient is φ = 37364840.

The previous prime is 56047247. The next prime is 56047289. The reversal of 56047263 is 36274065.

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 56047263 - 2⁴ = 56047247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56047363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9341208 + ... + 9341213.

It is an arithmetic number, because the mean of its divisors is an integer number (18682422).

Almost surely, 2^56047263 is an apocalyptic number.

56047263 is a deficient number, since it is larger than the sum of its proper divisors (18682425).

56047263 is a wasteful number, since it uses less digits than its factorization.

56047263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18682424.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 56047263 is about 7486.4719995469. The cubic root of 56047263 is about 382.6938382728.

The spelling of 56047263 in words is "fifty-six million, forty-seven thousand, two hundred sixty-three".