54561659 has 2 divisors, whose sum is σ = 54561660. Its totient is φ = 54561658.

The previous prime is 54561649. The next prime is 54561671. The reversal of 54561659 is 95616545.

54561659 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 a de Polignac number, because none of the positive numbers 2^k-54561659 is a prime.

It is not a weakly prime, because it can be changed into another prime (54561629) 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, 27280829 + 27280830.

It is an arithmetic number, because the mean of its divisors is an integer number (27280830).

Almost surely, 2^54561659 is an apocalyptic number.

54561659 is a deficient number, since it is larger than the sum of its proper divisors (1).

54561659 is an equidigital number, since it uses as much as digits as its factorization.

54561659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 41.

The square root of 54561659 is about 7386.5864240527. The cubic root of 54561659 is about 379.2822532013.

The spelling of 54561659 in words is "fifty-four million, five hundred sixty-one thousand, six hundred fifty-nine".