44543555542001 has 2 divisors, whose sum is σ = 44543555542002. Its totient is φ = 44543555542000.

The previous prime is 44543555541971. The next prime is 44543555542037. The reversal of 44543555542001 is 10024555534544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33618844926976 + 10924710615025 = 5798176^2 + 3305255^2 .

It is a cyclic number.

It is not a de Polignac number, because 44543555542001 - 2²² = 44543551347697 is a prime.

It is not a weakly prime, because it can be changed into another prime (44543558542001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22271777771000 + 22271777771001.

It is an arithmetic number, because the mean of its divisors is an integer number (22271777771001).

Almost surely, 2^{44543555542001} is an apocalyptic number.

It is an amenable number.

44543555542001 is a deficient number, since it is larger than the sum of its proper divisors (1).

44543555542001 is an equidigital number, since it uses as much as digits as its factorization.

44543555542001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800000, while the sum is 47.

The spelling of 44543555542001 in words is "forty-four trillion, five hundred forty-three billion, five hundred fifty-five million, five hundred forty-two thousand, one".