53184531845 has 4 divisors (see below), whose sum is σ = 63821438220. Its totient is φ = 42547625472.

The previous prime is 53184531839. The next prime is 53184531847. The reversal of 53184531845 is 54813548135.

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 17491120516 + 35693411329 = 132254^2 + 188927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53184531845 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53184531845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53184531847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318453180 + ... + 5318453189.

It is an arithmetic number, because the mean of its divisors is an integer number (15955359555).

Almost surely, 2^53184531845 is an apocalyptic number.

It is an amenable number.

53184531845 is a deficient number, since it is larger than the sum of its proper divisors (10636906375).

53184531845 is a wasteful number, since it uses less digits than its factorization.

53184531845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636906374.

The product of its digits is 1152000, while the sum is 47.

The spelling of 53184531845 in words is "fifty-three billion, one hundred eighty-four million, five hundred thirty-one thousand, eight hundred forty-five".