513032522550 has 48 divisors (see below), whose sum is σ = 1327638954240. Its totient is φ = 130860468640.

The previous prime is 513032522533. The next prime is 513032522557. The reversal of 513032522550 is 55225230315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513032522557) 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 23 ways as a sum of consecutive naturals, for example, 74349090 + ... + 74355989.

It is an arithmetic number, because the mean of its divisors is an integer number (27659144880).

Almost surely, 2^513032522550 is an apocalyptic number.

513032522550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513032522550 is an abundant number, since it is smaller than the sum of its proper divisors (814606431690).

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

513032522550 is a wasteful number, since it uses less digits than its factorization.

513032522550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148705117 (or 148705112 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 513032522550 its reverse (55225230315), we get a palindrome (568257752865).

The spelling of 513032522550 in words is "five hundred thirteen billion, thirty-two million, five hundred twenty-two thousand, five hundred fifty".