53605065 has 16 divisors (see below), whose sum is σ = 89497728. Its totient is φ = 27346176.

The previous prime is 53605039. The next prime is 53605067. The reversal of 53605065 is 56050635.

It is not a de Polignac number, because 53605065 - 2⁵ = 53605033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53605067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77344 + ... + 78033.

It is an arithmetic number, because the mean of its divisors is an integer number (5593608).

Almost surely, 2^53605065 is an apocalyptic number.

It is an amenable number.

53605065 is a deficient number, since it is larger than the sum of its proper divisors (35892663).

53605065 is a wasteful number, since it uses less digits than its factorization.

53605065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155408.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 53605065 is about 7321.5479920574. The cubic root of 53605065 is about 377.0526021440.

The spelling of 53605065 in words is "fifty-three million, six hundred five thousand, sixty-five".