53605013 has 16 divisors (see below), whose sum is σ = 67530624. Its totient is φ = 41333760.

The previous prime is 53605009. The next prime is 53605033. The reversal of 53605013 is 31050635.

It is a cyclic number.

It is not a de Polignac number, because 53605013 - 2² = 53605009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53605013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53605003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3881 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (4220664).

Almost surely, 2^53605013 is an apocalyptic number.

It is an amenable number.

53605013 is a deficient number, since it is larger than the sum of its proper divisors (13925611).

53605013 is a wasteful number, since it uses less digits than its factorization.

53605013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 53605013 is about 7321.5444408950. The cubic root of 53605013 is about 377.0524802231.

Adding to 53605013 its reverse (31050635), we get a palindrome (84655648).

The spelling of 53605013 in words is "fifty-three million, six hundred five thousand, thirteen".