55134443155 has 24 divisors (see below), whose sum is σ = 75230492400. Its totient is φ = 38715082560.

The previous prime is 55134443153. The next prime is 55134443207.

55134443155 is nontrivially palindromic in base 10.

55134443155 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 55134443155 - 2¹ = 55134443153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55134443153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1553685 + ... + 1588774.

It is an arithmetic number, because the mean of its divisors is an integer number (3134603850).

Almost surely, 2^55134443155 is an apocalyptic number.

55134443155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55134443155 is a deficient number, since it is larger than the sum of its proper divisors (20096049245).

55134443155 is a wasteful number, since it uses less digits than its factorization.

55134443155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142515 (or 3142504 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The spelling of 55134443155 in words is "fifty-five billion, one hundred thirty-four million, four hundred forty-three thousand, one hundred fifty-five".