54685838 has 16 divisors (see below), whose sum is σ = 91426320. Its totient is φ = 24379776.

The previous prime is 54685823. The next prime is 54685843. The reversal of 54685838 is 83858645.

It is a junction number, because it is equal to n+sod(n) for n = 54685792 and 54685801.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41681 + ... + 42972.

It is an arithmetic number, because the mean of its divisors is an integer number (5714145).

Almost surely, 2^54685838 is an apocalyptic number.

54685838 is a deficient number, since it is larger than the sum of its proper divisors (36740482).

54685838 is a wasteful number, since it uses less digits than its factorization.

54685838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84691.

The product of its digits is 921600, while the sum is 47.

The square root of 54685838 is about 7394.9873563110. The cubic root of 54685838 is about 379.5697762563.

The spelling of 54685838 in words is "fifty-four million, six hundred eighty-five thousand, eight hundred thirty-eight".