513343055 has 4 divisors (see below), whose sum is σ = 616011672. Its totient is φ = 410674440.

The previous prime is 513343031. The next prime is 513343063. The reversal of 513343055 is 550343315.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 513343055 - 2¹⁰ = 513342031 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 51334301 + ... + 51334310.

It is an arithmetic number, because the mean of its divisors is an integer number (154002918).

Almost surely, 2^513343055 is an apocalyptic number.

513343055 is a deficient number, since it is larger than the sum of its proper divisors (102668617).

513343055 is a wasteful number, since it uses less digits than its factorization.

513343055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102668616.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 513343055 is about 22657.0751642837. The cubic root of 513343055 is about 800.6988970633.

The spelling of 513343055 in words is "five hundred thirteen million, three hundred forty-three thousand, fifty-five".