550005555480 has 64 divisors (see below), whose sum is σ = 1659897066240. Its totient is φ = 145789890432.

The previous prime is 550005555479. The next prime is 550005555557. The reversal of 550005555480 is 84555500055.

It is a happy number.

It is a super-2 number, since 2×550005555480² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13702654 + ... + 13742733.

It is an arithmetic number, because the mean of its divisors is an integer number (25935891660).

Almost surely, 2^550005555480 is an apocalyptic number.

It is an amenable number.

550005555480 is an abundant number, since it is smaller than the sum of its proper divisors (1109891510760).

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

550005555480 is a wasteful number, since it uses less digits than its factorization.

550005555480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27445568 (or 27445564 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 550005555480 in words is "five hundred fifty billion, five million, five hundred fifty-five thousand, four hundred eighty".