55194449155 has 16 divisors (see below), whose sum is σ = 66363321600. Its totient is φ = 44068974048.

The previous prime is 55194449119. The next prime is 55194449161.

55194449155 is nontrivially palindromic in base 10.

55194449155 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 55194449155 - 2²⁹ = 54657578243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13463296 + ... + 13467394.

It is an arithmetic number, because the mean of its divisors is an integer number (4147707600).

Almost surely, 2^55194449155 is an apocalyptic number.

55194449155 is a deficient number, since it is larger than the sum of its proper divisors (11168872445).

55194449155 is a wasteful number, since it uses less digits than its factorization.

55194449155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730.

The product of its digits is 3240000, while the sum is 52.

The spelling of 55194449155 in words is "fifty-five billion, one hundred ninety-four million, four hundred forty-nine thousand, one hundred fifty-five".