54521222349389 has 2 divisors, whose sum is σ = 54521222349390. Its totient is φ = 54521222349388.

The previous prime is 54521222349331. The next prime is 54521222349409. The reversal of 54521222349389 is 98394322212545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42799726622500 + 11721495726889 = 6542150^2 + 3423667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54521222349389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54521222349989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27260611174694 + 27260611174695.

It is an arithmetic number, because the mean of its divisors is an integer number (27260611174695).

Almost surely, 2^{54521222349389} is an apocalyptic number.

It is an amenable number.

54521222349389 is a deficient number, since it is larger than the sum of its proper divisors (1).

54521222349389 is an equidigital number, since it uses as much as digits as its factorization.

54521222349389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37324800, while the sum is 59.

The spelling of 54521222349389 in words is "fifty-four trillion, five hundred twenty-one billion, two hundred twenty-two million, three hundred forty-nine thousand, three hundred eighty-nine".