54533434121 has 2 divisors, whose sum is σ = 54533434122. Its totient is φ = 54533434120.

The previous prime is 54533434073. The next prime is 54533434129. The reversal of 54533434121 is 12143433545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33355908496 + 21177525625 = 182636^2 + 145525^2 .

It is a cyclic number.

It is not a de Polignac number, because 54533434121 - 2¹⁸ = 54533171977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54533434129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27266717060 + 27266717061.

It is an arithmetic number, because the mean of its divisors is an integer number (27266717061).

Almost surely, 2^54533434121 is an apocalyptic number.

It is an amenable number.

54533434121 is a deficient number, since it is larger than the sum of its proper divisors (1).

54533434121 is an equidigital number, since it uses as much as digits as its factorization.

54533434121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 35.

Adding to 54533434121 its reverse (12143433545), we get a palindrome (66676867666).

The spelling of 54533434121 in words is "fifty-four billion, five hundred thirty-three million, four hundred thirty-four thousand, one hundred twenty-one".