53444065 has 16 divisors (see below), whose sum is σ = 67392000. Its totient is φ = 40608832.

The previous prime is 53444063. The next prime is 53444081. The reversal of 53444065 is 56044435.

It is a cyclic number.

It is not a de Polignac number, because 53444065 - 2¹ = 53444063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53444063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15576 + ... + 18694.

It is an arithmetic number, because the mean of its divisors is an integer number (4212000).

Almost surely, 2^53444065 is an apocalyptic number.

It is an amenable number.

53444065 is a deficient number, since it is larger than the sum of its proper divisors (13947935).

53444065 is a wasteful number, since it uses less digits than its factorization.

53444065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 53444065 is about 7310.5447813415. The cubic root of 53444065 is about 376.6747376905.

It can be divided in two parts, 5344 and 4065, that added together give a square (9409 = 97²).

The spelling of 53444065 in words is "fifty-three million, four hundred forty-four thousand, sixty-five".