84055 has 4 divisors (see below), whose sum is σ = 100872. Its totient is φ = 67240.

The previous prime is 84053. The next prime is 84059. The reversal of 84055 is 55048.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84055 - 2¹ = 84053 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8401 + ... + 8410.

It is an arithmetic number, because the mean of its divisors is an integer number (25218).

2⁸⁴⁰⁵⁵ is an apocalyptic number.

84055 is a deficient number, since it is larger than the sum of its proper divisors (16817).

84055 is a wasteful number, since it uses less digits than its factorization.

84055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16816.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 84055 is about 289.9224034117. The cubic root of 84055 is about 43.8047477878.

It can be divided in two parts, 8405 and 5, that multiplied together give a square (42025 = 205²).

The spelling of 84055 in words is "eighty-four thousand, fifty-five".