56287267 has 4 divisors (see below), whose sum is σ = 56335336. Its totient is φ = 56239200.

The previous prime is 56287261. The next prime is 56287271. The reversal of 56287267 is 76278265.

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 56287267 - 2¹¹ = 56285219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56287261) 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, 22233 + ... + 24634.

It is an arithmetic number, because the mean of its divisors is an integer number (14083834).

Almost surely, 2^56287267 is an apocalyptic number.

56287267 is a deficient number, since it is larger than the sum of its proper divisors (48069).

56287267 is a wasteful number, since it uses less digits than its factorization.

56287267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48068.

The product of its digits is 282240, while the sum is 43.

The square root of 56287267 is about 7502.4840552980. The cubic root of 56287267 is about 383.2393139720.

The spelling of 56287267 in words is "fifty-six million, two hundred eighty-seven thousand, two hundred sixty-seven".