5505597818 has 16 divisors (see below), whose sum is σ = 9529802880. Its totient is φ = 2336633136.

The previous prime is 5505597733. The next prime is 5505597827. The reversal of 5505597818 is 8187955055.

It is a super-2 number, since 2×5505597818² = 60623214667132722248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5505597818.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907573 + ... + 1910456.

It is an arithmetic number, because the mean of its divisors is an integer number (595612680).

Almost surely, 2^5505597818 is an apocalyptic number.

5505597818 is a deficient number, since it is larger than the sum of its proper divisors (4024205062).

5505597818 is a wasteful number, since it uses less digits than its factorization.

5505597818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818141.

The product of its (nonzero) digits is 2520000, while the sum is 53.

The square root of 5505597818 is about 74199.7157541725. The cubic root of 5505597818 is about 1765.7728205925.

The spelling of 5505597818 in words is "five billion, five hundred five million, five hundred ninety-seven thousand, eight hundred eighteen".