55516510171065 has 8 divisors (see below), whose sum is σ = 88826416273728. Its totient is φ = 29608805424560.

The previous prime is 55516510171051. The next prime is 55516510171103. The reversal of 55516510171065 is 56017101561555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55516510171065 - 2⁹ = 55516510170553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850550339021 + ... + 1850550339050.

It is an arithmetic number, because the mean of its divisors is an integer number (11103302034216).

Almost surely, 2^{55516510171065} is an apocalyptic number.

It is an amenable number.

55516510171065 is a deficient number, since it is larger than the sum of its proper divisors (33309906102663).

55516510171065 is a wasteful number, since it uses less digits than its factorization.

55516510171065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701100678079.

The product of its (nonzero) digits is 787500, while the sum is 48.

The spelling of 55516510171065 in words is "fifty-five trillion, five hundred sixteen billion, five hundred ten million, one hundred seventy-one thousand, sixty-five".