55148284155 has 32 divisors (see below), whose sum is σ = 97489764864. Its totient is φ = 26478695936.

The previous prime is 55148284153. The next prime is 55148284171.

55148284155 is nontrivially palindromic in base 10.

55148284155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55148284155 - 2¹ = 55148284153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55148284153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4695609 + ... + 4707338.

It is an arithmetic number, because the mean of its divisors is an integer number (3046555152).

Almost surely, 2^55148284155 is an apocalyptic number.

55148284155 is a deficient number, since it is larger than the sum of its proper divisors (42341480709).

55148284155 is a wasteful number, since it uses less digits than its factorization.

55148284155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9402995.

The product of its digits is 1280000, while the sum is 48.

The spelling of 55148284155 in words is "fifty-five billion, one hundred forty-eight million, two hundred eighty-four thousand, one hundred fifty-five".