86555 has 8 divisors (see below), whose sum is σ = 118752. Its totient is φ = 59328.

The previous prime is 86539. The next prime is 86561. The reversal of 86555 is 55568.

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

It is a cyclic number.

It is not a de Polignac number, because 86555 - 2⁴ = 86539 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (14844).

2⁸⁶⁵⁵⁵ is an apocalyptic number.

86555 is a deficient number, since it is larger than the sum of its proper divisors (32197).

86555 is a wasteful number, since it uses less digits than its factorization.

86555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485.

The product of its digits is 6000, while the sum is 29.

The square root of 86555 is about 294.2023113437. The cubic root of 86555 is about 44.2347985278.

The spelling of 86555 in words is "eighty-six thousand, five hundred fifty-five".