55555555604988 has 24 divisors (see below), whose sum is σ = 130488104118400. Its totient is φ = 18395879338800.

The previous prime is 55555555604971. The next prime is 55555555605001. The reversal of 55555555604988 is 88940655555555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15329897638 + ... + 15329901261.

Almost surely, 2^{55555555604988} is an apocalyptic number.

It is an amenable number.

55555555604988 is an abundant number, since it is smaller than the sum of its proper divisors (74932548513412).

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

55555555604988 is a wasteful number, since it uses less digits than its factorization.

55555555604988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30659799057 (or 30659799055 counting only the distinct ones).

The product of its (nonzero) digits is 5400000000, while the sum is 75.

The spelling of 55555555604988 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred fifty-five million, six hundred four thousand, nine hundred eighty-eight".