50505555050 has 36 divisors (see below), whose sum is σ = 94223064390. Its totient is φ = 20141601120.

The previous prime is 50505555049. The next prime is 50505555103. The reversal of 50505555050 is 5055550505.

It can be written as a sum of positive squares in 3 ways, for example, as 45245969521 + 5259585529 = 212711^2 + 72523^2 .

It is a super-2 number, since 2×50505555050² (a number of 22 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 50505555050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6016256 + ... + 6024644.

Almost surely, 2^50505555050 is an apocalyptic number.

50505555050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50505555050 is a deficient number, since it is larger than the sum of its proper divisors (43717509340).

50505555050 is an equidigital number, since it uses as much as digits as its factorization.

50505555050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9095 (or 8743 counting only the distinct ones).

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

The spelling of 50505555050 in words is "fifty billion, five hundred five million, five hundred fifty-five thousand, fifty".