55455 has 8 divisors (see below), whose sum is σ = 88752.
Its totient is φ = 29568.
The previous prime is 55441. The next prime is 55457.
It can be divided in two parts, 5 and 5455, that added together give a triangular number (5460 = T104).
55455 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55455 - 24 = 55439 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55457) 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, 1834 + ... + 1863.
It is an arithmetic number, because the mean of its divisors is an integer number (11094).
255455 is an apocalyptic number.
55455 is a deficient number, since it is larger than the sum of its proper divisors (33297).
55455 is a wasteful number, since it uses less digits than its factorization.
55455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3705.
The product of its digits is 2500, while the sum is 24.
The square root of 55455 is about 235.4888532394.
The cubic root of 55455 is about 38.1341060395.
The spelling of 55455 in words is "fifty-five thousand, four hundred fifty-five".