50220018850 has 12 divisors (see below), whose sum is σ = 93409235154. Its totient is φ = 20088007520.

The previous prime is 50220018829. The next prime is 50220018857. The reversal of 50220018850 is 5881002205.

It can be written as a sum of positive squares in 3 ways, for example, as 34609765369 + 15610253481 = 186037^2 + 124941^2 .

It is not an unprimeable number, because it can be changed into a prime (50220018857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502200139 + ... + 502200238.

Almost surely, 2^50220018850 is an apocalyptic number.

50220018850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50220018850 is a deficient number, since it is larger than the sum of its proper divisors (43189216304).

50220018850 is a wasteful number, since it uses less digits than its factorization.

50220018850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004400389 (or 1004400384 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 50220018850 in words is "fifty billion, two hundred twenty million, eighteen thousand, eight hundred fifty".