84553 has 8 divisors (see below), whose sum is σ = 99072. Its totient is φ = 70656.

The previous prime is 84551. The next prime is 84559. The reversal of 84553 is 35548.

It is a happy number.

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 84553 - 2¹ = 84551 is a prime.

It is a super-4 number, since 4×84553⁴ (a number of 21 digits) contains 4444 as substring.

It is a Duffinian number.

84553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (84551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (12384).

2⁸⁴⁵⁵³ is an apocalyptic number.

It is an amenable number.

84553 is a deficient number, since it is larger than the sum of its proper divisors (14519).

84553 is a wasteful number, since it uses less digits than its factorization.

84553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its digits is 2400, while the sum is 25.

The square root of 84553 is about 290.7799855561. The cubic root of 84553 is about 43.8910873818.

It can be divided in two parts, 845 and 53, that added together give a palindrome (898).

The spelling of 84553 in words is "eighty-four thousand, five hundred fifty-three".