65555048539 has 4 divisors (see below), whose sum is σ = 66384859360. Its totient is φ = 64725237720.

The previous prime is 65555048527. The next prime is 65555048557. The reversal of 65555048539 is 93584055556.

It is a happy number.

65555048539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65555048539 - 2¹³ = 65555040347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65555048539.

It is not an unprimeable number, because it can be changed into a prime (65555048639) 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, 414905292 + ... + 414905449.

It is an arithmetic number, because the mean of its divisors is an integer number (16596214840).

Almost surely, 2^65555048539 is an apocalyptic number.

65555048539 is a deficient number, since it is larger than the sum of its proper divisors (829810821).

65555048539 is an equidigital number, since it uses as much as digits as its factorization.

65555048539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829810820.

The product of its (nonzero) digits is 16200000, while the sum is 55.

The spelling of 65555048539 in words is "sixty-five billion, five hundred fifty-five million, forty-eight thousand, five hundred thirty-nine".