55195859155 has 16 divisors (see below), whose sum is σ = 66985603200. Its totient is φ = 43657545600.

The previous prime is 55195859153. The next prime is 55195859179.

55195859155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55195859155 - 2¹ = 55195859153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55195859155.

It is not an unprimeable number, because it can be changed into a prime (55195859153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280966 + ... + 435124.

It is an arithmetic number, because the mean of its divisors is an integer number (4186600200).

Almost surely, 2^55195859155 is an apocalyptic number.

55195859155 is a deficient number, since it is larger than the sum of its proper divisors (11789744045).

55195859155 is a wasteful number, since it uses less digits than its factorization.

55195859155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154974.

The product of its digits is 10125000, while the sum is 58.

The spelling of 55195859155 in words is "fifty-five billion, one hundred ninety-five million, eight hundred fifty-nine thousand, one hundred fifty-five".