55011065555 has 16 divisors (see below), whose sum is σ = 68403333600. Its totient is φ = 42420537600.

The previous prime is 55011065533. The next prime is 55011065581. The reversal of 55011065555 is 55556011055.

It is a happy number.

It is not a de Polignac number, because 55011065555 - 2⁶ = 55011065491 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, 228485 + ... + 402774.

It is an arithmetic number, because the mean of its divisors is an integer number (4275208350).

Almost surely, 2^55011065555 is an apocalyptic number.

55011065555 is a deficient number, since it is larger than the sum of its proper divisors (13392268045).

55011065555 is a wasteful number, since it uses less digits than its factorization.

55011065555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631894.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 55011065555 in words is "fifty-five billion, eleven million, sixty-five thousand, five hundred fifty-five".