9555520 has 56 divisors (see below), whose sum is σ = 24515064. Its totient is φ = 3526656.

The previous prime is 9555493. The next prime is 9555521. The reversal of 9555520 is 255559.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 9437184 = 344^2 + 3072^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9555521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3012 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (437769).

Almost surely, 2^9555520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12257532).

9555520 is an abundant number, since it is smaller than the sum of its proper divisors (14959544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9555520 is a wasteful number, since it uses less digits than its factorization.

9555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 9555520 is about 3091.2004140786. The cubic root of 9555520 is about 212.2029621491.

The spelling of 9555520 in words is "nine million, five hundred fifty-five thousand, five hundred twenty".