5550550555 has 32 divisors (see below), whose sum is σ = 7843599360. Its totient is φ = 3728081280.

The previous prime is 5550550543. The next prime is 5550550571.

5550550555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5550550555 - 2¹⁹ = 5550026267 is a prime.

It is a super-2 number, since 2×5550550555² = 61617222927221616050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38967 + ... + 112336.

It is an arithmetic number, because the mean of its divisors is an integer number (245112480).

Almost surely, 2^5550550555 is an apocalyptic number.

5550550555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5550550555 is a deficient number, since it is larger than the sum of its proper divisors (2293048805).

5550550555 is a wasteful number, since it uses less digits than its factorization.

5550550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151371.

The product of its (nonzero) digits is 390625, while the sum is 40.

The square root of 5550550555 is about 74502.0171203438. The cubic root of 5550550555 is about 1770.5655948337.

The spelling of 5550550555 in words is "five billion, five hundred fifty million, five hundred fifty thousand, five hundred fifty-five".