56286578 has 8 divisors (see below), whose sum is σ = 85300572. Its totient is φ = 27853056.

The previous prime is 56286557. The next prime is 56286617. The reversal of 56286578 is 87568265.

It can be written as a sum of positive squares in 2 ways, for example, as 51165409 + 5121169 = 7153^2 + 2263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144875 + ... + 145262.

Almost surely, 2^56286578 is an apocalyptic number.

56286578 is a deficient number, since it is larger than the sum of its proper divisors (29013994).

56286578 is a wasteful number, since it uses less digits than its factorization.

56286578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290236.

The product of its digits is 806400, while the sum is 47.

The square root of 56286578 is about 7502.4381370325. The cubic root of 56286578 is about 383.2377502497.

The spelling of 56286578 in words is "fifty-six million, two hundred eighty-six thousand, five hundred seventy-eight".