8959553 has 4 divisors (see below), whose sum is σ = 8966100. Its totient is φ = 8953008.

The previous prime is 8959537. The next prime is 8959603. The reversal of 8959553 is 3559598.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3655744 + 5303809 = 1912^2 + 2303^2 .

It is a cyclic number.

It is not a de Polignac number, because 8959553 - 2⁴ = 8959537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8959453) 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, 350 + ... + 4247.

It is an arithmetic number, because the mean of its divisors is an integer number (2241525).

Almost surely, 2^8959553 is an apocalyptic number.

It is an amenable number.

8959553 is a deficient number, since it is larger than the sum of its proper divisors (6547).

8959553 is a wasteful number, since it uses less digits than its factorization.

8959553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546.

The product of its digits is 243000, while the sum is 44.

The square root of 8959553 is about 2993.2512423784. The cubic root of 8959553 is about 207.6963100808.

The spelling of 8959553 in words is "eight million, nine hundred fifty-nine thousand, five hundred fifty-three".