513417055 has 4 divisors (see below), whose sum is σ = 616100472. Its totient is φ = 410733640.

The previous prime is 513417043. The next prime is 513417089. The reversal of 513417055 is 550714315.

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

It is a de Polignac number, because none of the positive numbers 2^k-513417055 is a prime.

It is a super-3 number, since 3×513417055³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 51341701 + ... + 51341710.

It is an arithmetic number, because the mean of its divisors is an integer number (154025118).

Almost surely, 2^513417055 is an apocalyptic number.

513417055 is a deficient number, since it is larger than the sum of its proper divisors (102683417).

513417055 is a wasteful number, since it uses less digits than its factorization.

513417055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102683416.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 513417055 is about 22658.7081494069. The cubic root of 513417055 is about 800.7373696279.

The spelling of 513417055 in words is "five hundred thirteen million, four hundred seventeen thousand, fifty-five".