55431211441 has 4 divisors (see below), whose sum is σ = 55436592484. Its totient is φ = 55425830400.

The previous prime is 55431211417. The next prime is 55431211453. The reversal of 55431211441 is 14411213455.

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 38911507600 + 16519703841 = 197260^2 + 128529^2 .

It is a cyclic number.

It is not a de Polignac number, because 55431211441 - 2⁹ = 55431210929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55431211411) 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, 2675040 + ... + 2695681.

It is an arithmetic number, because the mean of its divisors is an integer number (13859148121).

Almost surely, 2^55431211441 is an apocalyptic number.

It is an amenable number.

55431211441 is a deficient number, since it is larger than the sum of its proper divisors (5381043).

55431211441 is a wasteful number, since it uses less digits than its factorization.

55431211441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381042.

The product of its digits is 9600, while the sum is 31.

Adding to 55431211441 its reverse (14411213455), we get a palindrome (69842424896).

The spelling of 55431211441 in words is "fifty-five billion, four hundred thirty-one million, two hundred eleven thousand, four hundred forty-one".