55065636899 has 24 divisors (see below), whose sum is σ = 69262700832. Its totient is φ = 42854123520.

The previous prime is 55065636883. The next prime is 55065636911. The reversal of 55065636899 is 99863656055.

It is not a de Polignac number, because 55065636899 - 2⁴ = 55065636883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55065636839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309374 + ... + 453699.

It is an arithmetic number, because the mean of its divisors is an integer number (2885945868).

Almost surely, 2^55065636899 is an apocalyptic number.

55065636899 is a deficient number, since it is larger than the sum of its proper divisors (14197063933).

55065636899 is a wasteful number, since it uses less digits than its factorization.

55065636899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763167 (or 763154 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 62.

The spelling of 55065636899 in words is "fifty-five billion, sixty-five million, six hundred thirty-six thousand, eight hundred ninety-nine".