54012335021 has 2 divisors, whose sum is σ = 54012335022. Its totient is φ = 54012335020.

The previous prime is 54012335011. The next prime is 54012335051. The reversal of 54012335021 is 12053321045.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30716418121 + 23295916900 = 175261^2 + 152630^2 .

It is a cyclic number.

It is not a de Polignac number, because 54012335021 - 2¹⁰ = 54012333997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54012335011) 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, 27006167510 + 27006167511.

It is an arithmetic number, because the mean of its divisors is an integer number (27006167511).

Almost surely, 2^54012335021 is an apocalyptic number.

It is an amenable number.

54012335021 is a deficient number, since it is larger than the sum of its proper divisors (1).

54012335021 is an equidigital number, since it uses as much as digits as its factorization.

54012335021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 54012335021 its reverse (12053321045), we get a palindrome (66065656066).

The spelling of 54012335021 in words is "fifty-four billion, twelve million, three hundred thirty-five thousand, twenty-one".