53071365 has 32 divisors (see below), whose sum is σ = 91172736. Its totient is φ = 26265600.

The previous prime is 53071339. The next prime is 53071367. The reversal of 53071365 is 56317035.

It is not a de Polignac number, because 53071365 - 2⁶ = 53071301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53071367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17190 + ... + 20040.

It is an arithmetic number, because the mean of its divisors is an integer number (2849148).

Almost surely, 2^53071365 is an apocalyptic number.

It is an amenable number.

53071365 is a deficient number, since it is larger than the sum of its proper divisors (38101371).

53071365 is a wasteful number, since it uses less digits than its factorization.

53071365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 53071365 is about 7285.0096087788. The cubic root of 53071365 is about 375.7970956135.

The spelling of 53071365 in words is "fifty-three million, seventy-one thousand, three hundred sixty-five".