54321833261 has 2 divisors, whose sum is σ = 54321833262. Its totient is φ = 54321833260.

The previous prime is 54321833239. The next prime is 54321833311. The reversal of 54321833261 is 16233812345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51560330761 + 2761502500 = 227069^2 + 52550^2 .

It is a cyclic number.

It is not a de Polignac number, because 54321833261 - 2³⁰ = 53248091437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54321533261) 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, 27160916630 + 27160916631.

It is an arithmetic number, because the mean of its divisors is an integer number (27160916631).

Almost surely, 2^54321833261 is an apocalyptic number.

It is an amenable number.

54321833261 is a deficient number, since it is larger than the sum of its proper divisors (1).

54321833261 is an equidigital number, since it uses as much as digits as its factorization.

54321833261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The spelling of 54321833261 in words is "fifty-four billion, three hundred twenty-one million, eight hundred thirty-three thousand, two hundred sixty-one".