54243254421833 has 2 divisors, whose sum is σ = 54243254421834. Its totient is φ = 54243254421832.

The previous prime is 54243254421827. The next prime is 54243254421883. The reversal of 54243254421833 is 33812445234245.

It is an a-pointer prime, because the next prime (54243254421883) can be obtained adding 54243254421833 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53615242551049 + 628011870784 = 7322243^2 + 792472^2 .

It is a cyclic number.

It is not a de Polignac number, because 54243254421833 - 2⁴ = 54243254421817 is a prime.

It is not a weakly prime, because it can be changed into another prime (54243254421803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27121627210916 + 27121627210917.

It is an arithmetic number, because the mean of its divisors is an integer number (27121627210917).

Almost surely, 2^{54243254421833} is an apocalyptic number.

It is an amenable number.

54243254421833 is a deficient number, since it is larger than the sum of its proper divisors (1).

54243254421833 is an equidigital number, since it uses as much as digits as its factorization.

54243254421833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11059200, while the sum is 50.

The spelling of 54243254421833 in words is "fifty-four trillion, two hundred forty-three billion, two hundred fifty-four million, four hundred twenty-one thousand, eight hundred thirty-three".