65385655 has 8 divisors (see below), whose sum is σ = 83078352. Its totient is φ = 49231488.

The previous prime is 65385643. The next prime is 65385659. The reversal of 65385655 is 55658356.

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 65385655 - 2⁹ = 65385143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65385659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384537 + ... + 384706.

It is an arithmetic number, because the mean of its divisors is an integer number (10384794).

Almost surely, 2^65385655 is an apocalyptic number.

65385655 is a deficient number, since it is larger than the sum of its proper divisors (17692697).

65385655 is a wasteful number, since it uses less digits than its factorization.

65385655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769265.

The product of its digits is 540000, while the sum is 43.

The square root of 65385655 is about 8086.1396846703. The cubic root of 65385655 is about 402.8661945183.

The spelling of 65385655 in words is "sixty-five million, three hundred eighty-five thousand, six hundred fifty-five".