5550051668 has 72 divisors (see below), whose sum is σ = 11715604992. Its totient is φ = 2252734848.

The previous prime is 5550051653. The next prime is 5550051671. The reversal of 5550051668 is 8661500555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245821 + ... + 1250267.

It is an arithmetic number, because the mean of its divisors is an integer number (162716736).

Almost surely, 2^5550051668 is an apocalyptic number.

5550051668 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5550051668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5857802496).

5550051668 is an abundant number, since it is smaller than the sum of its proper divisors (6165553324).

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

5550051668 is a wasteful number, since it uses less digits than its factorization.

5550051668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The square root of 5550051668 is about 74498.6689008602. The cubic root of 5550051668 is about 1770.5125467252.

The spelling of 5550051668 in words is "five billion, five hundred fifty million, fifty-one thousand, six hundred sixty-eight".