55864846855 has 16 divisors (see below), whose sum is σ = 71579312640. Its totient is φ = 41754591648.

The previous prime is 55864846853. The next prime is 55864846867.

55864846855 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 55864846855 - 2¹ = 55864846853 is a prime.

It is a super-2 number, since 2×55864846855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55864846853) by changing a digit.

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, 5643675 + ... + 5653564.

It is an arithmetic number, because the mean of its divisors is an integer number (4473707040).

Almost surely, 2^55864846855 is an apocalyptic number.

55864846855 is a deficient number, since it is larger than the sum of its proper divisors (15714465785).

55864846855 is a wasteful number, since it uses less digits than its factorization.

55864846855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297310.

The product of its digits is 184320000, while the sum is 64.

The spelling of 55864846855 in words is "fifty-five billion, eight hundred sixty-four million, eight hundred forty-six thousand, eight hundred fifty-five".