513330550 has 48 divisors (see below), whose sum is σ = 1000507392. Its totient is φ = 195703200.

The previous prime is 513330547. The next prime is 513330553. The reversal of 513330550 is 55033315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (513330547) and next prime (513330553).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513330553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101379 + ... + 106321.

It is an arithmetic number, because the mean of its divisors is an integer number (20843904).

Almost surely, 2^513330550 is an apocalyptic number.

513330550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513330550 is a deficient number, since it is larger than the sum of its proper divisors (487176842).

513330550 is a wasteful number, since it uses less digits than its factorization.

513330550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053 (or 5048 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 513330550 is about 22656.7992002401. The cubic root of 513330550 is about 800.6923953546.

Adding to 513330550 its reverse (55033315), we get a palindrome (568363865).

The spelling of 513330550 in words is "five hundred thirteen million, three hundred thirty thousand, five hundred fifty".