54440586 has 80 divisors (see below), whose sum is σ = 134164800. Its totient is φ = 16422912.

The previous prime is 54440549. The next prime is 54440591. The reversal of 54440586 is 68504445.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54440586.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70410 + ... + 71178.

It is an arithmetic number, because the mean of its divisors is an integer number (1677060).

Almost surely, 2^54440586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54440586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67082400).

54440586 is an abundant number, since it is smaller than the sum of its proper divisors (79724214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54440586 is a wasteful number, since it uses less digits than its factorization.

54440586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 54440586 is about 7378.3864089650. The cubic root of 54440586 is about 379.0015014224.

The spelling of 54440586 in words is "fifty-four million, four hundred forty thousand, five hundred eighty-six".