56256547 has 4 divisors (see below), whose sum is σ = 56289816. Its totient is φ = 56223280.

The previous prime is 56256527. The next prime is 56256581. The reversal of 56256547 is 74565265.

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 56256547 - 2⁷ = 56256419 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56256517) 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, 13954 + ... + 17527.

It is an arithmetic number, because the mean of its divisors is an integer number (14072454).

Almost surely, 2^56256547 is an apocalyptic number.

56256547 is a deficient number, since it is larger than the sum of its proper divisors (33269).

56256547 is a wasteful number, since it uses less digits than its factorization.

56256547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33268.

The product of its digits is 252000, while the sum is 40.

The square root of 56256547 is about 7500.4364539672. The cubic root of 56256547 is about 383.1695808878.

The spelling of 56256547 in words is "fifty-six million, two hundred fifty-six thousand, five hundred forty-seven".