54550386 has 48 divisors (see below), whose sum is σ = 129943008. Its totient is φ = 16401600.

The previous prime is 54550381. The next prime is 54550417. The reversal of 54550386 is 68305545.

54550386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×54550386² = 5951489225497992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54550386.

It is not an unprimeable number, because it can be changed into a prime (54550381) 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, 26121 + ... + 28131.

It is an arithmetic number, because the mean of its divisors is an integer number (2707146).

Almost surely, 2^54550386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54550386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64971504).

54550386 is an abundant number, since it is smaller than the sum of its proper divisors (75392622).

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

54550386 is a wasteful number, since it uses less digits than its factorization.

54550386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 54550386 is about 7385.8233122652. The cubic root of 54550386 is about 379.2561301972.

The spelling of 54550386 in words is "fifty-four million, five hundred fifty thousand, three hundred eighty-six".