5550660558 has 24 divisors (see below), whose sum is σ = 12191179728. Its totient is φ = 1824874272.

The previous prime is 5550660553. The next prime is 5550660559. The reversal of 5550660558 is 8550660555.

It is a super-3 number, since 3×5550660558³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550660553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110810 + ... + 2113437.

It is an arithmetic number, because the mean of its divisors is an integer number (507965822).

Almost surely, 2^5550660558 is an apocalyptic number.

5550660558 is an abundant number, since it is smaller than the sum of its proper divisors (6640519170).

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

5550660558 is a wasteful number, since it uses less digits than its factorization.

5550660558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224328 (or 4224325 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The square root of 5550660558 is about 74502.7553718653. The cubic root of 5550660558 is about 1770.5772913455.

The spelling of 5550660558 in words is "five billion, five hundred fifty million, six hundred sixty thousand, five hundred fifty-eight".