53000513 has 4 divisors (see below), whose sum is σ = 53015088. Its totient is φ = 52985940.

The previous prime is 53000491. The next prime is 53000527. The reversal of 53000513 is 31500035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53000513 - 2⁶ = 53000449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53000491 and 53000500.

It is not an unprimeable number, because it can be changed into a prime (53000573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3170 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (13253772).

Almost surely, 2^53000513 is an apocalyptic number.

It is an amenable number.

53000513 is a deficient number, since it is larger than the sum of its proper divisors (14575).

53000513 is an equidigital number, since it uses as much as digits as its factorization.

53000513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 53000513 is about 7280.1451221799. The cubic root of 53000513 is about 375.6297873519.

Adding to 53000513 its reverse (31500035), we get a palindrome (84500548).

The spelling of 53000513 in words is "fifty-three million, five hundred thirteen", and thus it is an aban number.