8550540 has 72 divisors (see below), whose sum is σ = 26360880. Its totient is φ = 2242944.

The previous prime is 8550517. The next prime is 8550547. The reversal of 8550540 is 450558.

It is a super-2 number, since 2×8550540² = 146223468583200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8550547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11706 + ... + 12414.

Almost surely, 2^8550540 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 8550540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13180440).

8550540 is an abundant number, since it is smaller than the sum of its proper divisors (17810340).

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

8550540 is a wasteful number, since it uses less digits than its factorization.

8550540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 8550540 is about 2924.1306400365. The cubic root of 8550540 is about 204.4864400794.

It can be divided in two parts, 85 and 50540, that added together give a 4-th power (50625 = 15⁴).

The spelling of 8550540 in words is "eight million, five hundred fifty thousand, five hundred forty".