54242321533 has 2 divisors, whose sum is σ = 54242321534. Its totient is φ = 54242321532.

The previous prime is 54242321501. The next prime is 54242321587. The reversal of 54242321533 is 33512324245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43830772164 + 10411549369 = 209358^2 + 102037^2 .

It is a cyclic number.

It is not a de Polignac number, because 54242321533 - 2⁵ = 54242321501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54242321593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27121160766 + 27121160767.

It is an arithmetic number, because the mean of its divisors is an integer number (27121160767).

Almost surely, 2^54242321533 is an apocalyptic number.

It is an amenable number.

54242321533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54242321533 is an equidigital number, since it uses as much as digits as its factorization.

54242321533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 34.

Adding to 54242321533 its reverse (33512324245), we get a palindrome (87754645778).

The spelling of 54242321533 in words is "fifty-four billion, two hundred forty-two million, three hundred twenty-one thousand, five hundred thirty-three".