513930055 has 32 divisors (see below), whose sum is σ = 657072000. Its totient is φ = 385093632.

The previous prime is 513930049. The next prime is 513930089. The reversal of 513930055 is 550039315.

It is a cyclic number.

It is not a de Polignac number, because 513930055 - 2¹¹ = 513928007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513929999 and 513930026.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1524847 + ... + 1525183.

It is an arithmetic number, because the mean of its divisors is an integer number (20533500).

Almost surely, 2^513930055 is an apocalyptic number.

513930055 is a deficient number, since it is larger than the sum of its proper divisors (143141945).

513930055 is a wasteful number, since it uses less digits than its factorization.

513930055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 10125, while the sum is 31.

The square root of 513930055 is about 22670.0254741807. The cubic root of 513930055 is about 801.0039764911.

The spelling of 513930055 in words is "five hundred thirteen million, nine hundred thirty thousand, fifty-five".