550550000050 has 24 divisors (see below), whose sum is σ = 1043344193796. Its totient is φ = 216064904640.

The previous prime is 550550000017. The next prime is 550550000053. The reversal of 550550000050 is 50000055055.

It can be written as a sum of positive squares in 6 ways, for example, as 257123027329 + 293426972721 = 507073^2 + 541689^2 .

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

It is not an unprimeable number, because it can be changed into a prime (550550000053) 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 11 ways as a sum of consecutive naturals, for example, 103874709 + ... + 103880008.

Almost surely, 2^550550000050 is an apocalyptic number.

550550000050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550550000050 is a deficient number, since it is larger than the sum of its proper divisors (492794193746).

550550000050 is a wasteful number, since it uses less digits than its factorization.

550550000050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207754782 (or 207754777 counting only the distinct ones).

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

The spelling of 550550000050 in words is "five hundred fifty billion, five hundred fifty million, fifty", and thus it is an aban number.