55386333855 has 48 divisors (see below), whose sum is σ = 96867164160. Its totient is φ = 29274001344.

The previous prime is 55386333809. The next prime is 55386333881. The reversal of 55386333855 is 55833368355.

55386333855 is a `hidden beast` number, since 553 + 8 + 6 + 3 + 3 + 3 + 85 + 5 = 666.

55386333855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55386333855 - 2¹¹ = 55386331807 is a prime.

It is a super-2 number, since 2×55386333855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5612916 + ... + 5622774.

It is an arithmetic number, because the mean of its divisors is an integer number (2018065920).

Almost surely, 2^55386333855 is an apocalyptic number.

55386333855 is a deficient number, since it is larger than the sum of its proper divisors (41480830305).

55386333855 is a wasteful number, since it uses less digits than its factorization.

55386333855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10980 (or 10977 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 54.

The spelling of 55386333855 in words is "fifty-five billion, three hundred eighty-six million, three hundred thirty-three thousand, eight hundred fifty-five".