9055 has 4 divisors (see below), whose sum is σ = 10872. Its totient is φ = 7240.
The previous prime is 9049. The next prime is 9059. The reversal of 9055 is 5509.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5509 = 7 ⋅787.
It is not a de Polignac number, because 9055 - 29 = 8543 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9059) 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, 901 + ... + 910.
It is an arithmetic number, because the mean of its divisors is an integer number (2718).
9055 is a deficient number, since it is larger than the sum of its proper divisors (1817).
9055 is a wasteful number, since it uses less digits than its factorization.
9055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1816.
The product of its (nonzero) digits is 225, while the sum is 19.
The square root of 9055 is about 95.1577637400. The cubic root of 9055 is about 20.8431242868.
It can be divided in two parts, 90 and 55, that multiplied together give a triangular number (4950 = T99).
The spelling of 9055 in words is "nine thousand, fifty-five".
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