54542221141 has 2 divisors, whose sum is σ = 54542221142. Its totient is φ = 54542221140.

The previous prime is 54542221103. The next prime is 54542221147. The reversal of 54542221141 is 14112224545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32087198641 + 22455022500 = 179129^2 + 149850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54542221141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54542221147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27271110570 + 27271110571.

It is an arithmetic number, because the mean of its divisors is an integer number (27271110571).

Almost surely, 2^54542221141 is an apocalyptic number.

It is an amenable number.

54542221141 is a deficient number, since it is larger than the sum of its proper divisors (1).

54542221141 is an equidigital number, since it uses as much as digits as its factorization.

54542221141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 31.

Adding to 54542221141 its reverse (14112224545), we get a palindrome (68654445686).

The spelling of 54542221141 in words is "fifty-four billion, five hundred forty-two million, two hundred twenty-one thousand, one hundred forty-one".