53003611 has 6 divisors (see below), whose sum is σ = 54329636. Its totient is φ = 51709200.

The previous prime is 53003591. The next prime is 53003617. The reversal of 53003611 is 11630035.

53003611 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 53003611 - 2¹³ = 52995419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53003617) 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 5 ways as a sum of consecutive naturals, for example, 14085 + ... + 17446.

Almost surely, 2^53003611 is an apocalyptic number.

53003611 is a deficient number, since it is larger than the sum of its proper divisors (1326025).

53003611 is an equidigital number, since it uses as much as digits as its factorization.

53003611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31613 (or 31572 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 53003611 is about 7280.3578895546. The cubic root of 53003611 is about 375.6371060132.

Adding to 53003611 its reverse (11630035), we get a palindrome (64633646).

It can be divided in two parts, 5300 and 3611, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 53003611 in words is "fifty-three million, three thousand, six hundred eleven".