54434252416021 has 2 divisors, whose sum is σ = 54434252416022. Its totient is φ = 54434252416020.

The previous prime is 54434252415973. The next prime is 54434252416079. The reversal of 54434252416021 is 12061425243445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54169968000625 + 264284415396 = 7360025^2 + 514086^2 .

It is a cyclic number.

It is not a de Polignac number, because 54434252416021 - 2⁹ = 54434252415509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54434252416091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27217126208010 + 27217126208011.

It is an arithmetic number, because the mean of its divisors is an integer number (27217126208011).

Almost surely, 2^{54434252416021} is an apocalyptic number.

It is an amenable number.

54434252416021 is a deficient number, since it is larger than the sum of its proper divisors (1).

54434252416021 is an equidigital number, since it uses as much as digits as its factorization.

54434252416021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 54434252416021 its reverse (12061425243445), we get a palindrome (66495677659466).

The spelling of 54434252416021 in words is "fifty-four trillion, four hundred thirty-four billion, two hundred fifty-two million, four hundred sixteen thousand, twenty-one".