53044513 has 4 divisors (see below), whose sum is σ = 53094400. Its totient is φ = 52994628.

The previous prime is 53044489. The next prime is 53044531. The reversal of 53044513 is 31544035.

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.

It is a cyclic number.

It is not a de Polignac number, because 53044513 - 2⁹ = 53044001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53044613) 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, 23313 + ... + 25486.

It is an arithmetic number, because the mean of its divisors is an integer number (13273600).

Almost surely, 2^53044513 is an apocalyptic number.

It is an amenable number.

53044513 is a deficient number, since it is larger than the sum of its proper divisors (49887).

53044513 is a wasteful number, since it uses less digits than its factorization.

53044513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49886.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53044513 is about 7283.1664130377. The cubic root of 53044513 is about 375.7337054598.

Adding to 53044513 its reverse (31544035), we get a palindrome (84588548).

The spelling of 53044513 in words is "fifty-three million, forty-four thousand, five hundred thirteen".