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BaseRepresentation
bin1010101001111
321111001
41111033
5133310
641131
721622
oct12517
97431
105455
11410a
1231a7
132638
141db9
15193a
hex154f

5455 has 4 divisors (see below), whose sum is σ = 6552. Its totient is φ = 4360.

The previous prime is 5449. The next prime is 5471. The reversal of 5455 is 5545.

5455 = T2 + T3 + ... + T31.

5455 = 312 + 322 + ... + 352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5545 = 51109.

It is not a de Polignac number, because 5455 - 29 = 4943 is a prime.

It is a Duffinian number.

5455 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541 + ... + 550.

It is an arithmetic number, because the mean of its divisors is an integer number (1638).

25455 is an apocalyptic number.

5455 is a deficient number, since it is larger than the sum of its proper divisors (1097).

5455 is a wasteful number, since it uses less digits than its factorization.

5455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its digits is 500, while the sum is 19.

The square root of 5455 is about 73.8579718108. The cubic root of 5455 is about 17.6034686690.

The spelling of 5455 in words is "five thousand, four hundred fifty-five".

Divisors: 1 5 1091 5455