54558985 has 8 divisors (see below), whose sum is σ = 70507080. Its totient is φ = 40289664.

The previous prime is 54558983. The next prime is 54558989. The reversal of 54558985 is 58985545.

It can be written as a sum of positive squares in 4 ways, for example, as 2199289 + 52359696 = 1483^2 + 7236^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54558985 - 2¹ = 54558983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54558983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419620 + ... + 419749.

It is an arithmetic number, because the mean of its divisors is an integer number (8813385).

Almost surely, 2^54558985 is an apocalyptic number.

It is an amenable number.

54558985 is a deficient number, since it is larger than the sum of its proper divisors (15948095).

54558985 is a wasteful number, since it uses less digits than its factorization.

54558985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839387.

The product of its digits is 1440000, while the sum is 49.

The square root of 54558985 is about 7386.4054180636. The cubic root of 54558985 is about 379.2760570474.

The spelling of 54558985 in words is "fifty-four million, five hundred fifty-eight thousand, nine hundred eighty-five".