54140185 has 8 divisors (see below), whose sum is σ = 70874496. Its totient is φ = 39374640.

The previous prime is 54140171. The next prime is 54140197. The reversal of 54140185 is 58104145.

54140185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54140185 - 2⁷ = 54140057 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 492129 + ... + 492238.

It is an arithmetic number, because the mean of its divisors is an integer number (8859312).

Almost surely, 2^54140185 is an apocalyptic number.

54140185 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54140185 is a deficient number, since it is larger than the sum of its proper divisors (16734311).

54140185 is a wasteful number, since it uses less digits than its factorization.

54140185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984383.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 54140185 is about 7358.0014270181. The cubic root of 54140185 is about 378.3031101803.

The spelling of 54140185 in words is "fifty-four million, one hundred forty thousand, one hundred eighty-five".