5555055005556 has 24 divisors (see below), whose sum is σ = 14813480015040. Its totient is φ = 1587158572992.

The previous prime is 5555055005537. The next prime is 5555055005567. The reversal of 5555055005556 is 6555005505555.

It is a super-2 number, since 2×5555055005556² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5555055005499 and 5555055005508.

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, 33065803521 + ... + 33065803688.

It is an arithmetic number, because the mean of its divisors is an integer number (617228333960).

Almost surely, 2^{5555055005556} is an apocalyptic number.

It is an amenable number.

5555055005556 is an abundant number, since it is smaller than the sum of its proper divisors (9258425009484).

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

5555055005556 is a wasteful number, since it uses less digits than its factorization.

5555055005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66131607223 (or 66131607221 counting only the distinct ones).

The product of its (nonzero) digits is 11718750, while the sum is 51.

The spelling of 5555055005556 in words is "five trillion, five hundred fifty-five billion, fifty-five million, five thousand, five hundred fifty-six".