55065026542243 has 12 divisors (see below), whose sum is σ = 58118281614360. Its totient is φ = 52164568328256.

The previous prime is 55065026542217. The next prime is 55065026542247. The reversal of 55065026542243 is 34224562056055.

It is not a de Polignac number, because 55065026542243 - 2⁹ = 55065026541731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55065026542247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4869996 + ... + 11569222.

It is an arithmetic number, because the mean of its divisors is an integer number (4843190134530).

Almost surely, 2^{55065026542243} is an apocalyptic number.

55065026542243 is a deficient number, since it is larger than the sum of its proper divisors (3053255072117).

55065026542243 is a wasteful number, since it uses less digits than its factorization.

55065026542243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722034 (or 6722015 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 49.

Adding to 55065026542243 its reverse (34224562056055), we get a palindrome (89289588598298).

The spelling of 55065026542243 in words is "fifty-five trillion, sixty-five billion, twenty-six million, five hundred forty-two thousand, two hundred forty-three".