53065905 has 16 divisors (see below), whose sum is σ = 85748544. Its totient is φ = 28020800.

The previous prime is 53065877. The next prime is 53065907. The reversal of 53065905 is 50956035.

53065905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53065905 - 2⁷ = 53065777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53065907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15999 + ... + 19028.

It is an arithmetic number, because the mean of its divisors is an integer number (5359284).

Almost surely, 2^53065905 is an apocalyptic number.

It is an amenable number.

53065905 is a deficient number, since it is larger than the sum of its proper divisors (32682639).

53065905 is a wasteful number, since it uses less digits than its factorization.

53065905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35136.

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 53065905 is about 7284.6348570124. The cubic root of 53065905 is about 375.7842077941.

It can be divided in two parts, 5306 and 5905, that added together give a palindrome (11211).

The spelling of 53065905 in words is "fifty-three million, sixty-five thousand, nine hundred five".