55000505555500 has 48 divisors (see below), whose sum is σ = 125343760860864. Its totient is φ = 21043671686400.

The previous prime is 55000505555497. The next prime is 55000505555543. The reversal of 55000505555500 is 555550500055.

It is a super-2 number, since 2×55000505555500² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391314829 + ... + 2391337828.

It is an arithmetic number, because the mean of its divisors is an integer number (2611328351268).

Almost surely, 2^{55000505555500} is an apocalyptic number.

55000505555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55000505555500 is an abundant number, since it is smaller than the sum of its proper divisors (70343255305364).

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

55000505555500 is a wasteful number, since it uses less digits than its factorization.

55000505555500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782652699 (or 4782652687 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55000505555500 in words is "fifty-five trillion, five hundred five million, five hundred fifty-five thousand, five hundred".