43000005500057 has 2 divisors, whose sum is σ = 43000005500058. Its totient is φ = 43000005500056.

The previous prime is 43000005500033. The next prime is 43000005500077. The reversal of 43000005500057 is 75000550000034.

43000005500057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42020744840281 + 979260659776 = 6482341^2 + 989576^2 .

It is a cyclic number.

It is not a de Polignac number, because 43000005500057 - 2¹⁶ = 43000005434521 is a prime.

It is not a weakly prime, because it can be changed into another prime (43000005500017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21500002750028 + 21500002750029.

It is an arithmetic number, because the mean of its divisors is an integer number (21500002750029).

Almost surely, 2^{43000005500057} is an apocalyptic number.

It is an amenable number.

43000005500057 is a deficient number, since it is larger than the sum of its proper divisors (1).

43000005500057 is an equidigital number, since it uses as much as digits as its factorization.

43000005500057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 29.

The spelling of 43000005500057 in words is "forty-three trillion, five million, five hundred thousand, fifty-seven".