65055071 has 4 divisors (see below), whose sum is σ = 65251944. Its totient is φ = 64858200.

The previous prime is 65055061. The next prime is 65055079. The reversal of 65055071 is 17055056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65055071 - 2¹⁸ = 64792927 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 (65055079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97940 + ... + 98601.

It is an arithmetic number, because the mean of its divisors is an integer number (16312986).

Almost surely, 2^65055071 is an apocalyptic number.

65055071 is a deficient number, since it is larger than the sum of its proper divisors (196873).

65055071 is a wasteful number, since it uses less digits than its factorization.

65055071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196872.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 65055071 is about 8065.6723836268. The cubic root of 65055071 is about 402.1860952865.

The spelling of 65055071 in words is "sixty-five million, fifty-five thousand, seventy-one".