55115584457141 has 4 divisors (see below), whose sum is σ = 59355244800012. Its totient is φ = 50875924114272.

The previous prime is 55115584457009. The next prime is 55115584457149. The reversal of 55115584457141 is 14175448551155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37752778860241 + 17362805596900 = 6144329^2 + 4166870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55115584457141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55115584457149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119830171416 + ... + 2119830171441.

It is an arithmetic number, because the mean of its divisors is an integer number (14838811200003).

Almost surely, 2^{55115584457141} is an apocalyptic number.

It is an amenable number.

55115584457141 is a deficient number, since it is larger than the sum of its proper divisors (4239660342871).

55115584457141 is a wasteful number, since it uses less digits than its factorization.

55115584457141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239660342870.

The product of its digits is 11200000, while the sum is 56.

It can be divided in two parts, 5511558 and 4457141, that added together give a palindrome (9968699).

The spelling of 55115584457141 in words is "fifty-five trillion, one hundred fifteen billion, five hundred eighty-four million, four hundred fifty-seven thousand, one hundred forty-one".