54485521 has 16 divisors (see below), whose sum is σ = 58738240. Its totient is φ = 50388480.

The previous prime is 54485513. The next prime is 54485573. The reversal of 54485521 is 12558445.

It is a happy number.

54485521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a 9-Lehmer number, since φ(54485521) divides (54485521-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 54485521 - 2³ = 54485513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54485591) 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 in 15 ways as a sum of consecutive naturals, for example, 225961 + ... + 226201.

It is an arithmetic number, because the mean of its divisors is an integer number (3671140).

Almost surely, 2^54485521 is an apocalyptic number.

It is an amenable number.

54485521 is a deficient number, since it is larger than the sum of its proper divisors (4252719).

54485521 is a wasteful number, since it uses less digits than its factorization.

54485521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its digits is 32000, while the sum is 34.

The square root of 54485521 is about 7381.4308233567. The cubic root of 54485521 is about 379.1057480899.

The spelling of 54485521 in words is "fifty-four million, four hundred eighty-five thousand, five hundred twenty-one".