56056317 has 4 divisors (see below), whose sum is σ = 74741760. Its totient is φ = 37370876.

The previous prime is 56056279. The next prime is 56056321. The reversal of 56056317 is 71365065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56056317 - 2¹⁵ = 56023549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56056367) 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, 9342717 + ... + 9342722.

It is an arithmetic number, because the mean of its divisors is an integer number (18685440).

Almost surely, 2^56056317 is an apocalyptic number.

It is an amenable number.

56056317 is a deficient number, since it is larger than the sum of its proper divisors (18685443).

56056317 is a wasteful number, since it uses less digits than its factorization.

56056317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18685442.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 56056317 is about 7487.0766658289. The cubic root of 56056317 is about 382.7144442356.

The spelling of 56056317 in words is "fifty-six million, fifty-six thousand, three hundred seventeen".