513324550550 has 48 divisors (see below), whose sum is σ = 1091904613632. Its totient is φ = 175880330400.

The previous prime is 513324550523. The next prime is 513324550561. The reversal of 513324550550 is 55055423315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43529 + ... + 1014171.

It is an arithmetic number, because the mean of its divisors is an integer number (22748012784).

Almost surely, 2^513324550550 is an apocalyptic number.

513324550550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513324550550 is an abundant number, since it is smaller than the sum of its proper divisors (578580063082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513324550550 is a wasteful number, since it uses less digits than its factorization.

513324550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972173 (or 972168 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

Adding to 513324550550 its reverse (55055423315), we get a palindrome (568379973865).

The spelling of 513324550550 in words is "five hundred thirteen billion, three hundred twenty-four million, five hundred fifty thousand, five hundred fifty".