8551520 has 96 divisors (see below), whose sum is σ = 22226400. Its totient is φ = 3096576.

The previous prime is 8551511. The next prime is 8551523. The reversal of 8551520 is 251558.

It is a self number, because there is not a number n which added to its sum of digits gives 8551520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8551523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88112 + ... + 88208.

It is an arithmetic number, because the mean of its divisors is an integer number (231525).

Almost surely, 2^8551520 is an apocalyptic number.

8551520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8551520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11113200).

8551520 is an abundant number, since it is smaller than the sum of its proper divisors (13674880).

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

8551520 is a wasteful number, since it uses less digits than its factorization.

8551520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 8551520 is about 2924.2982064078. The cubic root of 8551520 is about 204.4942520249.

It can be divided in two parts, 855 and 1520, that multiplied together give a square (1299600 = 1140²).

The spelling of 8551520 in words is "eight million, five hundred fifty-one thousand, five hundred twenty".