54054521 has 8 divisors (see below), whose sum is σ = 57430920. Its totient is φ = 50779008.

The previous prime is 54054467. The next prime is 54054547. The reversal of 54054521 is 12545045.

It can be written as a sum of positive squares in 4 ways, for example, as 25110121 + 28944400 = 5011^2 + 5380^2 .

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 54054521 - 2⁶ = 54054457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54054571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24116 + ... + 26261.

It is an arithmetic number, because the mean of its divisors is an integer number (7178865).

Almost surely, 2^54054521 is an apocalyptic number.

It is an amenable number.

54054521 is a deficient number, since it is larger than the sum of its proper divisors (3376399).

54054521 is a wasteful number, since it uses less digits than its factorization.

54054521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50443.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 54054521 is about 7352.1779766271. The cubic root of 54054521 is about 378.1034798763.

Adding to 54054521 its reverse (12545045), we get a palindrome (66599566).

The spelling of 54054521 in words is "fifty-four million, fifty-four thousand, five hundred twenty-one".