53818285 has 4 divisors (see below), whose sum is σ = 64581948. Its totient is φ = 43054624.

The previous prime is 53818273. The next prime is 53818291. The reversal of 53818285 is 58281835.

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 25110121 + 28708164 = 5011^2 + 5358^2 .

It is a cyclic number.

It is not a de Polignac number, because 53818285 - 2⁵ = 53818253 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5381824 + ... + 5381833.

It is an arithmetic number, because the mean of its divisors is an integer number (16145487).

Almost surely, 2^53818285 is an apocalyptic number.

It is an amenable number.

53818285 is a deficient number, since it is larger than the sum of its proper divisors (10763663).

53818285 is a wasteful number, since it uses less digits than its factorization.

53818285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763662.

The product of its digits is 76800, while the sum is 40.

The square root of 53818285 is about 7336.0946695091. The cubic root of 53818285 is about 377.5518634063.

The spelling of 53818285 in words is "fifty-three million, eight hundred eighteen thousand, two hundred eighty-five".