56828285 has 16 divisors (see below), whose sum is σ = 71698176. Its totient is φ = 43156608.

The previous prime is 56828281. The next prime is 56828339. The reversal of 56828285 is 58282865.

It is a cyclic number.

It is not a de Polignac number, because 56828285 - 2² = 56828281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56828281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13952 + ... + 17558.

It is an arithmetic number, because the mean of its divisors is an integer number (4481136).

Almost surely, 2^56828285 is an apocalyptic number.

It is an amenable number.

56828285 is a deficient number, since it is larger than the sum of its proper divisors (14869891).

56828285 is a wasteful number, since it uses less digits than its factorization.

56828285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772.

The product of its digits is 307200, while the sum is 44.

The square root of 56828285 is about 7538.4537539206. The cubic root of 56828285 is about 384.4632651200.

The spelling of 56828285 in words is "fifty-six million, eight hundred twenty-eight thousand, two hundred eighty-five".