513050055645 has 64 divisors (see below), whose sum is σ = 862916198400. Its totient is φ = 259951211520.

The previous prime is 513050055643. The next prime is 513050055653. The reversal of 513050055645 is 546550050315.

It is not a de Polignac number, because 513050055645 - 2¹ = 513050055643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513050055643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20371621 + ... + 20396789.

It is an arithmetic number, because the mean of its divisors is an integer number (13483065600).

Almost surely, 2^513050055645 is an apocalyptic number.

It is an amenable number.

513050055645 is a deficient number, since it is larger than the sum of its proper divisors (349866142755).

513050055645 is a wasteful number, since it uses less digits than its factorization.

513050055645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26010.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 513050055645 in words is "five hundred thirteen billion, fifty million, fifty-five thousand, six hundred forty-five".