56247263 has 4 divisors (see below), whose sum is σ = 56325360. Its totient is φ = 56169168.

The previous prime is 56247253. The next prime is 56247313. The reversal of 56247263 is 36274265.

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 56247263 - 2¹⁴ = 56230879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56247253) 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, 37958 + ... + 39411.

It is an arithmetic number, because the mean of its divisors is an integer number (14081340).

Almost surely, 2^56247263 is an apocalyptic number.

56247263 is a deficient number, since it is larger than the sum of its proper divisors (78097).

56247263 is an equidigital number, since it uses as much as digits as its factorization.

56247263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78096.

The product of its digits is 60480, while the sum is 35.

The square root of 56247263 is about 7499.8175311137. The cubic root of 56247263 is about 383.1485016103.

The spelling of 56247263 in words is "fifty-six million, two hundred forty-seven thousand, two hundred sixty-three".