500055505550 has 48 divisors (see below), whose sum is σ = 934299576000. Its totient is φ = 199120320000.

The previous prime is 500055505549. The next prime is 500055505553. The reversal of 500055505550 is 55505550005.

It is a self number, because there is not a number n which added to its sum of digits gives 500055505550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500055505553) 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, 55551050 + ... + 55560050.

It is an arithmetic number, because the mean of its divisors is an integer number (19464574500).

Almost surely, 2^500055505550 is an apocalyptic number.

500055505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500055505550 is a deficient number, since it is larger than the sum of its proper divisors (434244070450).

500055505550 is a wasteful number, since it uses less digits than its factorization.

500055505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13901 (or 13896 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, 50005 and 5505550, that added together give a palindrome (5555555).

The spelling of 500055505550 in words is "five hundred billion, fifty-five million, five hundred five thousand, five hundred fifty".