54082488221 has 2 divisors, whose sum is σ = 54082488222. Its totient is φ = 54082488220.

The previous prime is 54082488217. The next prime is 54082488241. The reversal of 54082488221 is 12288428045.

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., 29162392900 + 24920095321 = 170770^2 + 157861^2 .

It is a cyclic number.

It is not a de Polignac number, because 54082488221 - 2² = 54082488217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54082488241) 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, 27041244110 + 27041244111.

It is an arithmetic number, because the mean of its divisors is an integer number (27041244111).

Almost surely, 2^54082488221 is an apocalyptic number.

It is an amenable number.

54082488221 is a deficient number, since it is larger than the sum of its proper divisors (1).

54082488221 is an equidigital number, since it uses as much as digits as its factorization.

54082488221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 327680, while the sum is 44.

The spelling of 54082488221 in words is "fifty-four billion, eighty-two million, four hundred eighty-eight thousand, two hundred twenty-one".