65555049973 has 16 divisors (see below), whose sum is σ = 76459279104. Its totient is φ = 55045710720.

The previous prime is 65555049941. The next prime is 65555049977. The reversal of 65555049973 is 37994055556.

It is not a de Polignac number, because 65555049973 - 2⁵ = 65555049941 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 (65555049977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342040 + ... + 498097.

It is an arithmetic number, because the mean of its divisors is an integer number (4778704944).

Almost surely, 2^65555049973 is an apocalyptic number.

It is an amenable number.

65555049973 is a deficient number, since it is larger than the sum of its proper divisors (10904229131).

65555049973 is a wasteful number, since it uses less digits than its factorization.

65555049973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840372.

The product of its (nonzero) digits is 25515000, while the sum is 58.

The spelling of 65555049973 in words is "sixty-five billion, five hundred fifty-five million, forty-nine thousand, nine hundred seventy-three".