8550961 has 4 divisors (see below), whose sum is σ = 8608500. Its totient is φ = 8493424.

The previous prime is 8550943. The next prime is 8550973. The reversal of 8550961 is 1690558.

8550961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1690558 = 2 ⋅845279.

It can be written as a sum of positive squares in 2 ways, for example, as 3352561 + 5198400 = 1831^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 8550961 - 2⁹ = 8550449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8550991) 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, 28546 + ... + 28843.

It is an arithmetic number, because the mean of its divisors is an integer number (2152125).

Almost surely, 2^8550961 is an apocalyptic number.

It is an amenable number.

8550961 is a deficient number, since it is larger than the sum of its proper divisors (57539).

8550961 is a wasteful number, since it uses less digits than its factorization.

8550961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57538.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 8550961 is about 2924.2026263582. The cubic root of 8550961 is about 204.4897961006.

The spelling of 8550961 in words is "eight million, five hundred fifty thousand, nine hundred sixty-one".