550055500550 has 48 divisors (see below), whose sum is σ = 1027708776000. Its totient is φ = 219032352000.

The previous prime is 550055500531. The next prime is 550055500559. The reversal of 550055500550 is 55005550055.

It is a super-2 number, since 2×550055500550² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550055500550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550055500559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55550600 + ... + 55560500.

It is an arithmetic number, because the mean of its divisors is an integer number (21410599500).

Almost surely, 2^550055500550 is an apocalyptic number.

550055500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550055500550 is a deficient number, since it is larger than the sum of its proper divisors (477653275450).

550055500550 is a wasteful number, since it uses less digits than its factorization.

550055500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14801 (or 14796 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

It can be divided in two parts, 55005 and 5500550, that added together give a palindrome (5555555).

The spelling of 550055500550 in words is "five hundred fifty billion, fifty-five million, five hundred thousand, five hundred fifty".