55143233234155 has 32 divisors (see below), whose sum is σ = 72357023692800. Its totient is φ = 40010005622400.

The previous prime is 55143233234147. The next prime is 55143233234261.

55143233234155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55143233234155 - 2³ = 55143233234147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381201381 + ... + 381346009.

It is an arithmetic number, because the mean of its divisors is an integer number (2261156990400).

Almost surely, 2^{55143233234155} is an apocalyptic number.

55143233234155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55143233234155 is a deficient number, since it is larger than the sum of its proper divisors (17213790458645).

55143233234155 is a wasteful number, since it uses less digits than its factorization.

55143233234155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160875.

The product of its digits is 3240000, while the sum is 46.

It can be divided in two parts, 5514323 and 3234155, that added together give a palindrome (8748478).

The spelling of 55143233234155 in words is "fifty-five trillion, one hundred forty-three billion, two hundred thirty-three million, two hundred thirty-four thousand, one hundred fifty-five".