116553 has 4 divisors (see below), whose sum is σ = 155408. Its totient is φ = 77700.

The previous prime is 116549. The next prime is 116579. The reversal of 116553 is 355611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 116553 - 2² = 116549 is a prime.

It is a D-number.

It is a Duffinian number.

116553 is a lucky number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (116533) 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, 19423 + ... + 19428.

It is an arithmetic number, because the mean of its divisors is an integer number (38852).

2¹¹⁶⁵⁵³ is an apocalyptic number.

It is an amenable number.

116553 is a deficient number, since it is larger than the sum of its proper divisors (38855).

116553 is an equidigital number, since it uses as much as digits as its factorization.

116553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38854.

The product of its digits is 450, while the sum is 21.

The square root of 116553 is about 341.3985940217. The cubic root of 116553 is about 48.8473662205.

The spelling of 116553 in words is "one hundred sixteen thousand, five hundred fifty-three".