55605051065 has 16 divisors (see below), whose sum is σ = 70249912320. Its totient is φ = 42135603840.

The previous prime is 55605051059. The next prime is 55605051079. The reversal of 55605051065 is 56015050655.

It is not a de Polignac number, because 55605051065 - 2⁴ = 55605051049 is a prime.

It is a Curzon number.

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, 549077 + ... + 642413.

It is an arithmetic number, because the mean of its divisors is an integer number (4390619520).

Almost surely, 2^55605051065 is an apocalyptic number.

It is an amenable number.

55605051065 is a deficient number, since it is larger than the sum of its proper divisors (14644861255).

55605051065 is a wasteful number, since it uses less digits than its factorization.

55605051065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99632.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55605051065 in words is "fifty-five billion, six hundred five million, fifty-one thousand, sixty-five".