550505500550 has 24 divisors (see below), whose sum is σ = 1023989148000. Its totient is φ = 220191680480.

The previous prime is 550505500499. The next prime is 550505500627. The reversal of 550505500550 is 55005505055.

It is a super-2 number, since 2×550505500550² (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 550505500550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 839876 + ... + 1344024.

It is an arithmetic number, because the mean of its divisors is an integer number (42666214500).

Almost surely, 2^550505500550 is an apocalyptic number.

550505500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550505500550 is a deficient number, since it is larger than the sum of its proper divisors (473483647450).

550505500550 is a wasteful number, since it uses less digits than its factorization.

550505500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526000 (or 525995 counting only the distinct ones).

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

The spelling of 550505500550 in words is "five hundred fifty billion, five hundred five million, five hundred thousand, five hundred fifty".