8550518 has 4 divisors (see below), whose sum is σ = 12825780. Its totient is φ = 4275258.

The previous prime is 8550517. The next prime is 8550547. The reversal of 8550518 is 8150558.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8550518² = 146222716136648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8550517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2137628 + ... + 2137631.

It is an arithmetic number, because the mean of its divisors is an integer number (3206445).

Almost surely, 2^8550518 is an apocalyptic number.

8550518 is a deficient number, since it is larger than the sum of its proper divisors (4275262).

8550518 is a wasteful number, since it uses less digits than its factorization.

8550518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275261.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 8550518 is about 2924.1268782322. The cubic root of 8550518 is about 204.4862647024.

The spelling of 8550518 in words is "eight million, five hundred fifty thousand, five hundred eighteen".