53184813 has 16 divisors (see below), whose sum is σ = 77702976. Its totient is φ = 32090240.

The previous prime is 53184787. The next prime is 53184827. The reversal of 53184813 is 31848135.

53184813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53184813 - 2⁸ = 53184557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53184853) 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 15 ways as a sum of consecutive naturals, for example, 4231 + ... + 11147.

It is an arithmetic number, because the mean of its divisors is an integer number (4856436).

Almost surely, 2^53184813 is an apocalyptic number.

It is an amenable number.

53184813 is a deficient number, since it is larger than the sum of its proper divisors (24518163).

53184813 is a wasteful number, since it uses less digits than its factorization.

53184813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164.

The product of its digits is 11520, while the sum is 33.

The square root of 53184813 is about 7292.7918522333. The cubic root of 53184813 is about 376.0646792498.

The spelling of 53184813 in words is "fifty-three million, one hundred eighty-four thousand, eight hundred thirteen".