43554240001 has 2 divisors, whose sum is σ = 43554240002. Its totient is φ = 43554240000.

The previous prime is 43554239959. The next prime is 43554240031. The reversal of 43554240001 is 10004245534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35939059776 + 7615180225 = 189576^2 + 87265^2 .

It is a cyclic number.

It is not a de Polignac number, because 43554240001 - 2⁹ = 43554239489 is a prime.

It is not a weakly prime, because it can be changed into another prime (43554240031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21777120000 + 21777120001.

It is an arithmetic number, because the mean of its divisors is an integer number (21777120001).

Almost surely, 2^43554240001 is an apocalyptic number.

It is an amenable number.

43554240001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43554240001 is an equidigital number, since it uses as much as digits as its factorization.

43554240001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 43554240001 its reverse (10004245534), we get a palindrome (53558485535).

The spelling of 43554240001 in words is "forty-three billion, five hundred fifty-four million, two hundred forty thousand, one".