53504113 has 4 divisors (see below), whose sum is σ = 57619828. Its totient is φ = 49388400.

The previous prime is 53504111. The next prime is 53504119. The reversal of 53504113 is 31140535.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34433424 + 19070689 = 5868^2 + 4367^2 .

It is a cyclic number.

It is not a de Polignac number, because 53504113 - 2¹ = 53504111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53504111) 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, 2057838 + ... + 2057863.

It is an arithmetic number, because the mean of its divisors is an integer number (14404957).

Almost surely, 2^53504113 is an apocalyptic number.

It is an amenable number.

53504113 is a deficient number, since it is larger than the sum of its proper divisors (4115715).

53504113 is a wasteful number, since it uses less digits than its factorization.

53504113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115714.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 53504113 is about 7314.6505726521. The cubic root of 53504113 is about 376.8157580187.

Adding to 53504113 its reverse (31140535), we get a palindrome (84644648).

The spelling of 53504113 in words is "fifty-three million, five hundred four thousand, one hundred thirteen".