5555499998 has 8 divisors (see below), whose sum is σ = 8335663992. Its totient is φ = 2776945336.

The previous prime is 5555499991. The next prime is 5555500001. The reversal of 5555499998 is 8999945555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555499991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393665 + ... + 407532.

It is an arithmetic number, because the mean of its divisors is an integer number (1041957999).

Almost surely, 2^5555499998 is an apocalyptic number.

5555499998 is a deficient number, since it is larger than the sum of its proper divisors (2780163994).

5555499998 is a wasteful number, since it uses less digits than its factorization.

5555499998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804666.

The product of its digits is 131220000, while the sum is 68.

The square root of 5555499998 is about 74535.2265576486. The cubic root of 5555499998 is about 1771.0917114134.

The spelling of 5555499998 in words is "five billion, five hundred fifty-five million, four hundred ninety-nine thousand, nine hundred ninety-eight".