5550660555 has 32 divisors (see below), whose sum is σ = 9691971840. Its totient is φ = 2690244480.

The previous prime is 5550660553. The next prime is 5550660559.

5550660555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5550660555 - 2¹ = 5550660553 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 671236 + ... + 679454.

It is an arithmetic number, because the mean of its divisors is an integer number (302874120).

Almost surely, 2^5550660555 is an apocalyptic number.

5550660555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5550660555 is a deficient number, since it is larger than the sum of its proper divisors (4141311285).

5550660555 is a wasteful number, since it uses less digits than its factorization.

5550660555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12331.

The product of its (nonzero) digits is 562500, while the sum is 42.

The square root of 5550660555 is about 74502.7553517318. The cubic root of 5550660555 is about 1770.5772910265.

The spelling of 5550660555 in words is "five billion, five hundred fifty million, six hundred sixty thousand, five hundred fifty-five".