500050005550 has 24 divisors (see below), whose sum is σ = 935289077400. Its totient is φ = 198902568480.

The previous prime is 500050005541. The next prime is 500050005563. The reversal of 500050005550 is 55500050005.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 27926805 + ... + 27944704.

It is an arithmetic number, because the mean of its divisors is an integer number (38970378225).

Almost surely, 2^500050005550 is an apocalyptic number.

500050005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500050005550 is a deficient number, since it is larger than the sum of its proper divisors (435239071850).

500050005550 is a wasteful number, since it uses less digits than its factorization.

500050005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55871700 (or 55871695 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

Adding to 500050005550 its reverse (55500050005), we get a palindrome (555550055555).

The spelling of 500050005550 in words is "five hundred billion, fifty million, five thousand, five hundred fifty".