53444305 has 4 divisors (see below), whose sum is σ = 64133172. Its totient is φ = 42755440.

The previous prime is 53444297. The next prime is 53444329. The reversal of 53444305 is 50344435.

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 42094144 + 11350161 = 6488^2 + 3369^2 .

It is not a de Polignac number, because 53444305 - 2³ = 53444297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5344426 + ... + 5344435.

It is an arithmetic number, because the mean of its divisors is an integer number (16033293).

Almost surely, 2^53444305 is an apocalyptic number.

It is an amenable number.

53444305 is a deficient number, since it is larger than the sum of its proper divisors (10688867).

53444305 is a wasteful number, since it uses less digits than its factorization.

53444305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10688866.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 53444305 is about 7310.5611959685. The cubic root of 53444305 is about 376.6753015311.

It can be divided in two parts, 5344430 and 5, that added together give a palindrome (5344435).

The spelling of 53444305 in words is "fifty-three million, four hundred forty-four thousand, three hundred five".