87056 has 10 divisors (see below), whose sum is σ = 168702. Its totient is φ = 43520.

The previous prime is 87049. The next prime is 87071. The reversal of 87056 is 65078.

It can be written as a sum of positive squares in only one way, i.e., 80656 + 6400 = 284^2 + 80^2 .

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87056.

It is an unprimeable number.

87056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2705 + ... + 2736.

2⁸⁷⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

87056 is a deficient number, since it is larger than the sum of its proper divisors (81646).

87056 is a wasteful number, since it uses less digits than its factorization.

87056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 87056 is about 295.0525376946. The cubic root of 87056 is about 44.3199814064.

The spelling of 87056 in words is "eighty-seven thousand, fifty-six".