54717281 has 4 divisors (see below), whose sum is σ = 54818964. Its totient is φ = 54615600.

The previous prime is 54717277. The next prime is 54717293. The reversal of 54717281 is 18271745.

54717281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18271745 = 5 ⋅3654349.

It can be written as a sum of positive squares in 2 ways, for example, as 33640000 + 21077281 = 5800^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 54717281 - 2² = 54717277 is a prime.

It is a super-2 number, since 2×54717281² = 5987961680065922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54717241) 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 3 ways as a sum of consecutive naturals, for example, 50030 + ... + 51111.

It is an arithmetic number, because the mean of its divisors is an integer number (13704741).

Almost surely, 2^54717281 is an apocalyptic number.

It is an amenable number.

54717281 is a deficient number, since it is larger than the sum of its proper divisors (101683).

54717281 is a wasteful number, since it uses less digits than its factorization.

54717281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101682.

The product of its digits is 15680, while the sum is 35.

The square root of 54717281 is about 7397.1130179280. The cubic root of 54717281 is about 379.6425100525.

The spelling of 54717281 in words is "fifty-four million, seven hundred seventeen thousand, two hundred eighty-one".