55536555555 has 64 divisors (see below), whose sum is σ = 106601040000. Its totient is φ = 27270452736.

The previous prime is 55536555523. The next prime is 55536555563. The reversal of 55536555555 is 55555563555.

55536555555 is a `hidden beast` number, since 5 + 5 + 5 + 36 + 5 + 55 + 555 = 666.

It is not a de Polignac number, because 55536555555 - 2⁵ = 55536555523 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 63 ways as a sum of consecutive naturals, for example, 642021 + ... + 723369.

It is an arithmetic number, because the mean of its divisors is an integer number (1665641250).

Almost surely, 2^55536555555 is an apocalyptic number.

55536555555 is a deficient number, since it is larger than the sum of its proper divisors (51064484445).

55536555555 is a wasteful number, since it uses less digits than its factorization.

55536555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81765 (or 81759 counting only the distinct ones).

The product of its digits is 35156250, while the sum is 54.

The spelling of 55536555555 in words is "fifty-five billion, five hundred thirty-six million, five hundred fifty-five thousand, five hundred fifty-five".