54418581 has 32 divisors (see below), whose sum is σ = 97562880. Its totient is φ = 29265408.

The previous prime is 54418571. The next prime is 54418583. The reversal of 54418581 is 18581445.

It is not a de Polignac number, because 54418581 - 2⁵ = 54418549 is a prime.

It is a super-2 number, since 2×54418581² = 5922763916107122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54418583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5256 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (3048840).

Almost surely, 2^54418581 is an apocalyptic number.

54418581 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54418581 is a deficient number, since it is larger than the sum of its proper divisors (43144299).

54418581 is a wasteful number, since it uses less digits than its factorization.

54418581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16970 (or 16964 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 54418581 is about 7376.8950785544. The cubic root of 54418581 is about 378.9504301379.

The spelling of 54418581 in words is "fifty-four million, four hundred eighteen thousand, five hundred eighty-one".