55005005440065 has 16 divisors (see below), whose sum is σ = 91834443865728. Its totient is φ = 28060524514176.

The previous prime is 55005005440039. The next prime is 55005005440103. The reversal of 55005005440065 is 56004450050055.

It is a happy number.

It is not a de Polignac number, because 55005005440065 - 2¹⁸ = 55005005177921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79717398844 + ... + 79717399533.

It is an arithmetic number, because the mean of its divisors is an integer number (5739652741608).

Almost surely, 2^{55005005440065} is an apocalyptic number.

It is an amenable number.

55005005440065 is a deficient number, since it is larger than the sum of its proper divisors (36829438425663).

55005005440065 is a wasteful number, since it uses less digits than its factorization.

55005005440065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159434798408.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 55005005440065 in words is "fifty-five trillion, five billion, five million, four hundred forty thousand, sixty-five".