5505949818 has 24 divisors (see below), whose sum is σ = 11973589056. Its totient is φ = 1828542600.

The previous prime is 5505949811. The next prime is 5505949847. The reversal of 5505949818 is 8189495055.

5505949818 is a `hidden beast` number, since 550 + 5 + 9 + 4 + 9 + 81 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (5505949811) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 559488 + ... + 569243.

It is an arithmetic number, because the mean of its divisors is an integer number (498899544).

Almost surely, 2^5505949818 is an apocalyptic number.

5505949818 is an abundant number, since it is smaller than the sum of its proper divisors (6467639238).

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

5505949818 is a wasteful number, since it uses less digits than its factorization.

5505949818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129010 (or 1129007 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 54.

The square root of 5505949818 is about 74202.0876930023. The cubic root of 5505949818 is about 1765.8104513099.

The spelling of 5505949818 in words is "five billion, five hundred five million, nine hundred forty-nine thousand, eight hundred eighteen".