513200055 has 16 divisors (see below), whose sum is σ = 840216960. Its totient is φ = 267341088.

The previous prime is 513200041. The next prime is 513200059. The reversal of 513200055 is 550002315.

It is not a de Polignac number, because 513200055 - 2⁶ = 513199991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513200059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397185 + ... + 398474.

It is an arithmetic number, because the mean of its divisors is an integer number (52513560).

Almost surely, 2^513200055 is an apocalyptic number.

513200055 is a deficient number, since it is larger than the sum of its proper divisors (327016905).

513200055 is a wasteful number, since it uses less digits than its factorization.

513200055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795710.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 513200055 is about 22653.9191973486. The cubic root of 513200055 is about 800.6245409547.

The spelling of 513200055 in words is "five hundred thirteen million, two hundred thousand, fifty-five".