53001513 has 8 divisors (see below), whose sum is σ = 78520800. Its totient is φ = 35334324.

The previous prime is 53001511. The next prime is 53001521. The reversal of 53001513 is 31510035.

It is a happy number.

53001513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53001513 - 2¹ = 53001511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53001511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981483 + ... + 981536.

It is an arithmetic number, because the mean of its divisors is an integer number (9815100).

Almost surely, 2^53001513 is an apocalyptic number.

It is an amenable number.

53001513 is a deficient number, since it is larger than the sum of its proper divisors (25519287).

53001513 is a wasteful number, since it uses less digits than its factorization.

53001513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963028 (or 1963022 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 53001513 is about 7280.2138018055. The cubic root of 53001513 is about 375.6321497657.

Adding to 53001513 its reverse (31510035), we get a palindrome (84511548).

The spelling of 53001513 in words is "fifty-three million, one thousand, five hundred thirteen".