54059646889 has 2 divisors, whose sum is σ = 54059646890. Its totient is φ = 54059646888.

The previous prime is 54059646881. The next prime is 54059646911. The reversal of 54059646889 is 98864695045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35647328025 + 18412318864 = 188805^2 + 135692^2 .

It is a cyclic number.

It is not a de Polignac number, because 54059646889 - 2³ = 54059646881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54059646889.

It is not a weakly prime, because it can be changed into another prime (54059646881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27029823444 + 27029823445.

It is an arithmetic number, because the mean of its divisors is an integer number (27029823445).

Almost surely, 2^54059646889 is an apocalyptic number.

It is an amenable number.

54059646889 is a deficient number, since it is larger than the sum of its proper divisors (1).

54059646889 is an equidigital number, since it uses as much as digits as its factorization.

54059646889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74649600, while the sum is 64.

The spelling of 54059646889 in words is "fifty-four billion, fifty-nine million, six hundred forty-six thousand, eight hundred eighty-nine".