53384845 has 8 divisors (see below), whose sum is σ = 67830264. Its totient is φ = 40195584.

The previous prime is 53384843. The next prime is 53384857. The reversal of 53384845 is 54848335.

It can be written as a sum of positive squares in 4 ways, for example, as 6749604 + 46635241 = 2598^2 + 6829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53384845 - 2¹ = 53384843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53384798 and 53384807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53384843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313944 + ... + 314113.

It is an arithmetic number, because the mean of its divisors is an integer number (8478783).

Almost surely, 2^53384845 is an apocalyptic number.

It is an amenable number.

53384845 is a deficient number, since it is larger than the sum of its proper divisors (14445419).

53384845 is a wasteful number, since it uses less digits than its factorization.

53384845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628079.

The product of its digits is 230400, while the sum is 40.

The square root of 53384845 is about 7306.4933449638. The cubic root of 53384845 is about 376.5355583934.

The spelling of 53384845 in words is "fifty-three million, three hundred eighty-four thousand, eight hundred forty-five".