55506555065 has 32 divisors (see below), whose sum is σ = 75672885120. Its totient is φ = 38746750464.

The previous prime is 55506555029. The next prime is 55506555073. The reversal of 55506555065 is 56055560555.

It is not a de Polignac number, because 55506555065 - 2⁶ = 55506555001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515222 + ... + 613568.

It is an arithmetic number, because the mean of its divisors is an integer number (2364777660).

Almost surely, 2^55506555065 is an apocalyptic number.

It is an amenable number.

55506555065 is a deficient number, since it is larger than the sum of its proper divisors (20166330055).

55506555065 is a wasteful number, since it uses less digits than its factorization.

55506555065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98841.

The product of its (nonzero) digits is 2812500, while the sum is 47.

The spelling of 55506555065 in words is "fifty-five billion, five hundred six million, five hundred fifty-five thousand, sixty-five".