83555 has 8 divisors (see below), whose sum is σ = 106272. Its totient is φ = 62848.

The previous prime is 83537. The next prime is 83557. The reversal of 83555 is 55538.

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 83555 - 2⁸ = 83299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (13284).

2⁸³⁵⁵⁵ is an apocalyptic number.

83555 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

83555 is a deficient number, since it is larger than the sum of its proper divisors (22717).

83555 is a wasteful number, since it uses less digits than its factorization.

83555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its digits is 3000, while the sum is 26.

The square root of 83555 is about 289.0588175441. The cubic root of 83555 is about 43.7177176819.

The spelling of 83555 in words is "eighty-three thousand, five hundred fifty-five".