509555050 has 12 divisors (see below), whose sum is σ = 947772486. Its totient is φ = 203822000.

The previous prime is 509554979. The next prime is 509555069. The reversal of 509555050 is 50555905.

It can be written as a sum of positive squares in 3 ways, for example, as 222218649 + 287336401 = 14907^2 + 16951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 509554997 and 509555015.

It is an unprimeable number.

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, 5095501 + ... + 5095600.

Almost surely, 2^509555050 is an apocalyptic number.

509555050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

509555050 is a deficient number, since it is larger than the sum of its proper divisors (438217436).

509555050 is a wasteful number, since it uses less digits than its factorization.

509555050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191113 (or 10191108 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 34.

The square root of 509555050 is about 22573.3260730447. The cubic root of 509555050 is about 798.7245561761.

The spelling of 509555050 in words is "five hundred nine million, five hundred fifty-five thousand, fifty".