54395986 has 8 divisors (see below), whose sum is σ = 81725184. Its totient is φ = 27154260.

The previous prime is 54395983. The next prime is 54396019. The reversal of 54395986 is 68959345.

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

It is not an unprimeable number, because it can be changed into a prime (54395981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20290 + ... + 22813.

It is an arithmetic number, because the mean of its divisors is an integer number (10215648).

Almost surely, 2^54395986 is an apocalyptic number.

54395986 is a deficient number, since it is larger than the sum of its proper divisors (27329198).

54395986 is a wasteful number, since it uses less digits than its factorization.

54395986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43736.

The product of its digits is 1166400, while the sum is 49.

The square root of 54395986 is about 7375.3634486715. The cubic root of 54395986 is about 378.8979751973.

The spelling of 54395986 in words is "fifty-four million, three hundred ninety-five thousand, nine hundred eighty-six".