54386782 has 4 divisors (see below), whose sum is σ = 81580176. Its totient is φ = 27193390.

The previous prime is 54386779. The next prime is 54386809. The reversal of 54386782 is 28768345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28768345 = 5 ⋅5753669.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13596694 + ... + 13596697.

It is an arithmetic number, because the mean of its divisors is an integer number (20395044).

Almost surely, 2^54386782 is an apocalyptic number.

54386782 is a deficient number, since it is larger than the sum of its proper divisors (27193394).

54386782 is a wasteful number, since it uses less digits than its factorization.

54386782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27193393.

The product of its digits is 322560, while the sum is 43.

The square root of 54386782 is about 7374.7394530248. The cubic root of 54386782 is about 378.8766036837.

The spelling of 54386782 in words is "fifty-four million, three hundred eighty-six thousand, seven hundred eighty-two".