53000065 has 8 divisors (see below), whose sum is σ = 64366848. Its totient is φ = 41888880.

The previous prime is 53000047. The next prime is 53000069. The reversal of 53000065 is 56000035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53000065 - 2⁷ = 52999937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53000069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63441 + ... + 64270.

It is an arithmetic number, because the mean of its divisors is an integer number (8045856).

Almost surely, 2^53000065 is an apocalyptic number.

It is an amenable number.

53000065 is a deficient number, since it is larger than the sum of its proper divisors (11366783).

53000065 is a wasteful number, since it uses less digits than its factorization.

53000065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127799.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53000065 is about 7280.1143534975. The cubic root of 53000065 is about 375.6287289809.

The spelling of 53000065 in words is "fifty-three million, sixty-five", and thus it is an aban number and an uban number.