54718281 has 16 divisors (see below), whose sum is σ = 82395520. Its totient is φ = 35879760.

The previous prime is 54718267. The next prime is 54718289. The reversal of 54718281 is 18281745.

It is not a de Polignac number, because 54718281 - 2⁵ = 54718249 is a prime.

It is a super-2 number, since 2×54718281² = 5988180551189922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54718289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14965 + ... + 18258.

It is an arithmetic number, because the mean of its divisors is an integer number (5149720).

Almost surely, 2^54718281 is an apocalyptic number.

It is an amenable number.

54718281 is a deficient number, since it is larger than the sum of its proper divisors (27677239).

54718281 is a wasteful number, since it uses less digits than its factorization.

54718281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33293 (or 33287 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 54718281 is about 7397.1806115574. The cubic root of 54718281 is about 379.6448227905.

The spelling of 54718281 in words is "fifty-four million, seven hundred eighteen thousand, two hundred eighty-one".