54839685 has 16 divisors (see below), whose sum is σ = 88076160. Its totient is φ = 29136960.

The previous prime is 54839669. The next prime is 54839699. The reversal of 54839685 is 58693845.

It is a happy number.

It is not a de Polignac number, because 54839685 - 2⁴ = 54839669 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 2761 + ... + 10830.

It is an arithmetic number, because the mean of its divisors is an integer number (5504760).

Almost surely, 2^54839685 is an apocalyptic number.

It is an amenable number.

54839685 is a deficient number, since it is larger than the sum of its proper divisors (33236475).

54839685 is a wasteful number, since it uses less digits than its factorization.

54839685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13868.

The product of its digits is 1036800, while the sum is 48.

The square root of 54839685 is about 7405.3821643451. The cubic root of 54839685 is about 379.9253893221.

The spelling of 54839685 in words is "fifty-four million, eight hundred thirty-nine thousand, six hundred eighty-five".