550555000118 has 4 divisors (see below), whose sum is σ = 825832500180. Its totient is φ = 275277500058.

The previous prime is 550555000117. The next prime is 550555000129. The reversal of 550555000118 is 811000555055.

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

It is a super-2 number, since 2×550555000118² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550555000117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137638750028 + ... + 137638750031.

It is an arithmetic number, because the mean of its divisors is an integer number (206458125045).

Almost surely, 2^550555000118 is an apocalyptic number.

550555000118 is a deficient number, since it is larger than the sum of its proper divisors (275277500062).

550555000118 is a wasteful number, since it uses less digits than its factorization.

550555000118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275277500061.

The product of its (nonzero) digits is 25000, while the sum is 35.

The spelling of 550555000118 in words is "five hundred fifty billion, five hundred fifty-five million, one hundred eighteen", and thus it is an aban number.