54529395869989 has 2 divisors, whose sum is σ = 54529395869990. Its totient is φ = 54529395869988.

The previous prime is 54529395869909. The next prime is 54529395870049. The reversal of 54529395869989 is 98996859392545.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27431301500100 + 27098094369889 = 5237490^2 + 5205583^2 .

It is a cyclic number.

It is not a de Polignac number, because 54529395869989 - 2¹¹ = 54529395867941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54529395869909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27264697934994 + 27264697934995.

It is an arithmetic number, because the mean of its divisors is an integer number (27264697934995).

Almost surely, 2^{54529395869989} is an apocalyptic number.

It is an amenable number.

54529395869989 is a deficient number, since it is larger than the sum of its proper divisors (1).

54529395869989 is an equidigital number, since it uses as much as digits as its factorization.

54529395869989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68024448000, while the sum is 91.

The spelling of 54529395869989 in words is "fifty-four trillion, five hundred twenty-nine billion, three hundred ninety-five million, eight hundred sixty-nine thousand, nine hundred eighty-nine".