53240065 has 8 divisors (see below), whose sum is σ = 63927360. Its totient is φ = 42565872.

The previous prime is 53240023. The next prime is 53240087. The reversal of 53240065 is 56004235.

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

It is a cyclic number.

It is not a de Polignac number, because 53240065 - 2⁹ = 53239553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13332 + ... + 16858.

It is an arithmetic number, because the mean of its divisors is an integer number (7990920).

Almost surely, 2^53240065 is an apocalyptic number.

It is an amenable number.

53240065 is a deficient number, since it is larger than the sum of its proper divisors (10687295).

53240065 is a wasteful number, since it uses less digits than its factorization.

53240065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53240065 is about 7296.5789929254. The cubic root of 53240065 is about 376.1948613658.

The spelling of 53240065 in words is "fifty-three million, two hundred forty thousand, sixty-five".