550055280555 has 48 divisors (see below), whose sum is σ = 1043191210464. Its totient is φ = 265902013440.

The previous prime is 550055280553. The next prime is 550055280571. The reversal of 550055280555 is 555082550055.

550055280555 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550055280555 - 2¹ = 550055280553 is a prime.

It is a super-2 number, since 2×550055280555² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 550055280555.

It is not an unprimeable number, because it can be changed into a prime (550055280553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1481884 + ... + 1815513.

It is an arithmetic number, because the mean of its divisors is an integer number (21733150218).

Almost surely, 2^550055280555 is an apocalyptic number.

550055280555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550055280555 is a deficient number, since it is larger than the sum of its proper divisors (493135929909).

550055280555 is a wasteful number, since it uses less digits than its factorization.

550055280555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297756 (or 3297753 counting only the distinct ones).

The product of its (nonzero) digits is 1250000, while the sum is 45.

The spelling of 550055280555 in words is "five hundred fifty billion, fifty-five million, two hundred eighty thousand, five hundred fifty-five".