55043544002431 has 2 divisors, whose sum is σ = 55043544002432. Its totient is φ = 55043544002430.

The previous prime is 55043544002417. The next prime is 55043544002527. The reversal of 55043544002431 is 13420044534055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55043544002431 - 2¹³ = 55043543994239 is a prime.

It is a super-2 number, since 2×55043544002431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55043544005431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27521772001215 + 27521772001216.

It is an arithmetic number, because the mean of its divisors is an integer number (27521772001216).

Almost surely, 2^{55043544002431} is an apocalyptic number.

55043544002431 is a deficient number, since it is larger than the sum of its proper divisors (1).

55043544002431 is an equidigital number, since it uses as much as digits as its factorization.

55043544002431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 55043544002431 its reverse (13420044534055), we get a palindrome (68463588536486).

The spelling of 55043544002431 in words is "fifty-five trillion, forty-three billion, five hundred forty-four million, two thousand, four hundred thirty-one".