173056 has 33 divisors (see below), whose sum is σ = 374601.
Its totient is φ = 79872.
The previous prime is 173053. The next prime is 173059. The reversal of 173056 is 650371.
173056 = T415 + T416.
The square root of 173056 is 416.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (173053) and next prime (173059).
It can be written as a sum of positive squares in only one way, i.e., 25600 + 147456 = 160^2 + 384^2
It is a Duffinian number.
It is a nialpdrome in base 4 and base 8.
It is not an unprimeable number, because it can be changed into a prime (173053) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13306 + ... + 13318.
2173056 is an apocalyptic number.
173056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
173056 is the 416-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 173056
173056 is an abundant number, since it is smaller than the sum of its proper divisors (201545).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
173056 is an equidigital number, since it uses as much as digits as its factorization.
173056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46 (or 15 counting only the distinct ones).
The product of its (nonzero) digits is 630, while the sum is 22.
The cubic root of 173056 is about 55.7265581431.
The spelling of 173056 in words is "one hundred seventy-three thousand, fifty-six".