550917118 has 16 divisors (see below), whose sum is σ = 874756080. Its totient is φ = 259773696.

The previous prime is 550917109. The next prime is 550917119. The reversal of 550917118 is 811719055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550917119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107955 + ... + 112942.

It is an arithmetic number, because the mean of its divisors is an integer number (54672255).

Almost surely, 2^550917118 is an apocalyptic number.

550917118 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

550917118 is a deficient number, since it is larger than the sum of its proper divisors (323838962).

550917118 is a wasteful number, since it uses less digits than its factorization.

550917118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220971.

The product of its (nonzero) digits is 12600, while the sum is 37.

The square root of 550917118 is about 23471.6236762607. The cubic root of 550917118 is about 819.7764203059.

The spelling of 550917118 in words is "five hundred fifty million, nine hundred seventeen thousand, one hundred eighteen".