56883817 has 4 divisors (see below), whose sum is σ = 56902356. Its totient is φ = 56865280.

The previous prime is 56883803. The next prime is 56883821. The reversal of 56883817 is 71838865.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49829481 + 7054336 = 7059^2 + 2656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56883817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56883857) 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, 3448 + ... + 11209.

It is an arithmetic number, because the mean of its divisors is an integer number (14225589).

Almost surely, 2^56883817 is an apocalyptic number.

It is an amenable number.

56883817 is a deficient number, since it is larger than the sum of its proper divisors (18539).

56883817 is a wasteful number, since it uses less digits than its factorization.

56883817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18538.

The product of its digits is 322560, while the sum is 46.

The square root of 56883817 is about 7542.1361032535. The cubic root of 56883817 is about 384.5884554982.

The spelling of 56883817 in words is "fifty-six million, eight hundred eighty-three thousand, eight hundred seventeen".