55154 has 16 divisors (see below), whose sum is σ = 95040. Its totient is φ = 23760.
The previous prime is 55147. The next prime is 55163. The reversal of 55154 is 45155.
It is a nialpdrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452 + ... + 560.
It is an arithmetic number, because the mean of its divisors is an integer number (5940).
255154 is an apocalyptic number.
55154 is a deficient number, since it is larger than the sum of its proper divisors (39886).
55154 is a wasteful number, since it uses less digits than its factorization.
55154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145.
The product of its digits is 500, while the sum is 20.
The square root of 55154 is about 234.8488875852. The cubic root of 55154 is about 38.0649857541.
Subtracting from 55154 its reverse (45155), we obtain a palindrome (9999).
The spelling of 55154 in words is "fifty-five thousand, one hundred fifty-four".
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