54686659 has 2 divisors, whose sum is σ = 54686660. Its totient is φ = 54686658.

The previous prime is 54686651. The next prime is 54686699. The reversal of 54686659 is 95668645.

It is a happy number.

54686659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54686659 - 2³ = 54686651 is a prime.

It is not a weakly prime, because it can be changed into another prime (54686651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27343329 + 27343330.

It is an arithmetic number, because the mean of its divisors is an integer number (27343330).

Almost surely, 2^54686659 is an apocalyptic number.

54686659 is a deficient number, since it is larger than the sum of its proper divisors (1).

54686659 is an equidigital number, since it uses as much as digits as its factorization.

54686659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 49.

The square root of 54686659 is about 7395.0428666777. The cubic root of 54686659 is about 379.5716757440.

The spelling of 54686659 in words is "fifty-four million, six hundred eighty-six thousand, six hundred fifty-nine".