54259566 has 8 divisors (see below), whose sum is σ = 108519144. Its totient is φ = 18086520.

The previous prime is 54259559. The next prime is 54259571. The reversal of 54259566 is 66595245.

It is a sphenic number, since it is the product of 3 distinct primes.

54259566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521625 + ... + 4521636.

It is an arithmetic number, because the mean of its divisors is an integer number (13564893).

Almost surely, 2^54259566 is an apocalyptic number.

54259566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54259566 is a wasteful number, since it uses less digits than its factorization.

54259566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9043266.

The product of its digits is 324000, while the sum is 42.

The square root of 54259566 is about 7366.1092850975. The cubic root of 54259566 is about 378.5809632480.

The spelling of 54259566 in words is "fifty-four million, two hundred fifty-nine thousand, five hundred sixty-six".