56716285 has 4 divisors (see below), whose sum is σ = 68059548. Its totient is φ = 45373024.

The previous prime is 56716279. The next prime is 56716327. The reversal of 56716285 is 58261765.

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 20548089 + 36168196 = 4533^2 + 6014^2 .

It is a cyclic number.

It is not a de Polignac number, because 56716285 - 2³ = 56716277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671624 + ... + 5671633.

It is an arithmetic number, because the mean of its divisors is an integer number (17014887).

Almost surely, 2^56716285 is an apocalyptic number.

It is an amenable number.

56716285 is a deficient number, since it is larger than the sum of its proper divisors (11343263).

56716285 is a wasteful number, since it uses less digits than its factorization.

56716285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343262.

The product of its digits is 100800, while the sum is 40.

The square root of 56716285 is about 7531.0215110568. The cubic root of 56716285 is about 384.2105259257.

The spelling of 56716285 in words is "fifty-six million, seven hundred sixteen thousand, two hundred eighty-five".