54497081 has 4 divisors (see below), whose sum is σ = 54520692. Its totient is φ = 54473472.

The previous prime is 54497071. The next prime is 54497083. The reversal of 54497081 is 18079445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10725625 + 43771456 = 3275^2 + 6616^2 .

It is a cyclic number.

It is not a de Polignac number, because 54497081 - 2¹⁸ = 54234937 is a prime.

It is a super-2 number, since 2×54497081² = 5939863675041122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54497083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7916 + ... + 13101.

It is an arithmetic number, because the mean of its divisors is an integer number (13630173).

Almost surely, 2^54497081 is an apocalyptic number.

It is an amenable number.

54497081 is a deficient number, since it is larger than the sum of its proper divisors (23611).

54497081 is a wasteful number, since it uses less digits than its factorization.

54497081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23610.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 54497081 is about 7382.2138278432. The cubic root of 54497081 is about 379.1325573685.

The spelling of 54497081 in words is "fifty-four million, four hundred ninety-seven thousand, eighty-one".