555055066220 has 48 divisors (see below), whose sum is σ = 1190751141888. Its totient is φ = 217236972480.

The previous prime is 555055066217. The next prime is 555055066297. The reversal of 555055066220 is 22660550555.

It is a super-2 number, since 2×555055066220² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3331829 + ... + 3494451.

It is an arithmetic number, because the mean of its divisors is an integer number (24807315456).

Almost surely, 2^555055066220 is an apocalyptic number.

It is an amenable number.

555055066220 is an abundant number, since it is smaller than the sum of its proper divisors (635696075668).

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

555055066220 is a wasteful number, since it uses less digits than its factorization.

555055066220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166310 (or 166308 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 555055066220 in words is "five hundred fifty-five billion, fifty-five million, sixty-six thousand, two hundred twenty".