54859064789 has 2 divisors, whose sum is σ = 54859064790. Its totient is φ = 54859064788.

The previous prime is 54859064783. The next prime is 54859064851. The reversal of 54859064789 is 98746095845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54275020900 + 584043889 = 232970^2 + 24167^2 .

It is a cyclic number.

It is not a de Polignac number, because 54859064789 - 2⁴ = 54859064773 is a prime.

It is a super-2 number, since 2×54859064789² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54859064783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27429532394 + 27429532395.

It is an arithmetic number, because the mean of its divisors is an integer number (27429532395).

Almost surely, 2^54859064789 is an apocalyptic number.

It is an amenable number.

54859064789 is a deficient number, since it is larger than the sum of its proper divisors (1).

54859064789 is an equidigital number, since it uses as much as digits as its factorization.

54859064789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87091200, while the sum is 65.

The spelling of 54859064789 in words is "fifty-four billion, eight hundred fifty-nine million, sixty-four thousand, seven hundred eighty-nine".