5557889998 has 16 divisors (see below), whose sum is σ = 8378118000. Its totient is φ = 2765198592.

The previous prime is 5557889989. The next prime is 5557889999. The reversal of 5557889998 is 8999887555.

It is a self number, because there is not a number n which added to its sum of digits gives 5557889998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557889999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343998 + ... + 1348126.

It is an arithmetic number, because the mean of its divisors is an integer number (523632375).

Almost surely, 2^5557889998 is an apocalyptic number.

5557889998 is a deficient number, since it is larger than the sum of its proper divisors (2820228002).

5557889998 is a wasteful number, since it uses less digits than its factorization.

5557889998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7299.

The product of its digits is 326592000, while the sum is 73.

The square root of 5557889998 is about 74551.2575212518. The cubic root of 5557889998 is about 1771.3456520927.

The spelling of 5557889998 in words is "five billion, five hundred fifty-seven million, eight hundred eighty-nine thousand, nine hundred ninety-eight".