54139286 has 16 divisors (see below), whose sum is σ = 84932064. Its totient is φ = 25833984.

The previous prime is 54139277. The next prime is 54139301. The reversal of 54139286 is 68293145.

It is a happy number.

54139286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 24566 + ... + 26678.

It is an arithmetic number, because the mean of its divisors is an integer number (5308254).

Almost surely, 2^54139286 is an apocalyptic number.

54139286 is a deficient number, since it is larger than the sum of its proper divisors (30792778).

54139286 is a wasteful number, since it uses less digits than its factorization.

54139286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695.

The product of its digits is 51840, while the sum is 38.

The square root of 54139286 is about 7357.9403368062. The cubic root of 54139286 is about 378.3010162558.

The spelling of 54139286 in words is "fifty-four million, one hundred thirty-nine thousand, two hundred eighty-six".