55861416855 has 16 divisors (see below), whose sum is σ = 99309185760. Its totient is φ = 29792755584.

The previous prime is 55861416847. The next prime is 55861416889.

55861416855 is a `hidden beast` number, since 5 + 5 + 8 + 614 + 16 + 8 + 5 + 5 = 666.

55861416855 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55861416855 - 2³ = 55861416847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206894002 + ... + 206894271.

It is an arithmetic number, because the mean of its divisors is an integer number (6206824110).

Almost surely, 2^55861416855 is an apocalyptic number.

55861416855 is a deficient number, since it is larger than the sum of its proper divisors (43447768905).

55861416855 is a wasteful number, since it uses less digits than its factorization.

55861416855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413788287 (or 413788281 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 54.

Adding to 55861416855 its product of digits (5760000), we get a palindrome (55867176855).

The spelling of 55861416855 in words is "fifty-five billion, eight hundred sixty-one million, four hundred sixteen thousand, eight hundred fifty-five".