54417681 has 24 divisors (see below), whose sum is σ = 81120000. Its totient is φ = 35133696.

The previous prime is 54417641. The next prime is 54417683. The reversal of 54417681 is 18671445.

It is a happy number.

54417681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54417681 - 2¹⁰ = 54416657 is a prime.

It is a super-2 number, since 2×54417681² = 5922568010835522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54417683) 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 23 ways as a sum of consecutive naturals, for example, 42945 + ... + 44193.

It is an arithmetic number, because the mean of its divisors is an integer number (3380000).

Almost surely, 2^54417681 is an apocalyptic number.

It is an amenable number.

54417681 is a deficient number, since it is larger than the sum of its proper divisors (26702319).

54417681 is a wasteful number, since it uses less digits than its factorization.

54417681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1402 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 54417681 is about 7376.8340770279. The cubic root of 54417681 is about 378.9483410398.

It can be divided in two parts, 544 and 17681, that added together give a square (18225 = 135²).

The spelling of 54417681 in words is "fifty-four million, four hundred seventeen thousand, six hundred eighty-one".