5551550500 has 48 divisors (see below), whose sum is σ = 12136610304. Its totient is φ = 2218418400.

The previous prime is 5551550483. The next prime is 5551550507. The reversal of 5551550500 is 50551555.

It is not an unprimeable number, because it can be changed into a prime (5551550507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556557 + ... + 566443.

It is an arithmetic number, because the mean of its divisors is an integer number (252846048).

Almost surely, 2^5551550500 is an apocalyptic number.

5551550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5551550500 is an abundant number, since it is smaller than the sum of its proper divisors (6585059804).

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

5551550500 is a wasteful number, since it uses less digits than its factorization.

5551550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029 (or 11017 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 31.

The square root of 5551550500 is about 74508.7276766957. The cubic root of 5551550500 is about 1770.6719123295.

The spelling of 5551550500 in words is "five billion, five hundred fifty-one million, five hundred fifty thousand, five hundred".