54605405389 has 2 divisors, whose sum is σ = 54605405390. Its totient is φ = 54605405388.

The previous prime is 54605405383. The next prime is 54605405467. The reversal of 54605405389 is 98350450645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54601668900 + 3736489 = 233670^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 54605405389 - 2¹⁹ = 54604881101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54605405383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27302702694 + 27302702695.

It is an arithmetic number, because the mean of its divisors is an integer number (27302702695).

Almost surely, 2^54605405389 is an apocalyptic number.

It is an amenable number.

54605405389 is a deficient number, since it is larger than the sum of its proper divisors (1).

54605405389 is an equidigital number, since it uses as much as digits as its factorization.

54605405389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 54605405389 in words is "fifty-four billion, six hundred five million, four hundred five thousand, three hundred eighty-nine".