53140065 has 32 divisors (see below), whose sum is σ = 93090816. Its totient is φ = 25671360.

The previous prime is 53140063. The next prime is 53140091. The reversal of 53140065 is 56004135.

53140065 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 53140065 - 2¹ = 53140063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53140063) 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 31 ways as a sum of consecutive naturals, for example, 72732 + ... + 73458.

It is an arithmetic number, because the mean of its divisors is an integer number (2909088).

Almost surely, 2^53140065 is an apocalyptic number.

53140065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53140065 is a deficient number, since it is larger than the sum of its proper divisors (39950751).

53140065 is a wasteful number, since it uses less digits than its factorization.

53140065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 53140065 is about 7289.7232457755. The cubic root of 53140065 is about 375.9591800601.

The spelling of 53140065 in words is "fifty-three million, one hundred forty thousand, sixty-five".