9550 has 12 divisors (see below), whose sum is σ = 17856. Its totient is φ = 3800.

The previous prime is 9547. The next prime is 9551. The reversal of 9550 is 559.

9550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46 + ... + 145.

It is an arithmetic number, because the mean of its divisors is an integer number (1488).

2⁹⁵⁵⁰ is an apocalyptic number.

9550 is a deficient number, since it is larger than the sum of its proper divisors (8306).

9550 is a wasteful number, since it uses less digits than its factorization.

9550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 9550 is about 97.7241014285. The cubic root of 9550 is about 21.2162092719.

It can be divided in two parts, 9 and 550, that multiplied together give a triangular number (4950 = T₉₉).

The spelling of 9550 in words is "nine thousand, five hundred fifty".