54816385 has 32 divisors (see below), whose sum is σ = 73890432. Its totient is φ = 38776320.

The previous prime is 54816379. The next prime is 54816389. The reversal of 54816385 is 58361845.

It is not a de Polignac number, because 54816385 - 2¹¹ = 54814337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54816389) 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 31 ways as a sum of consecutive naturals, for example, 178402 + ... + 178708.

It is an arithmetic number, because the mean of its divisors is an integer number (2309076).

Almost surely, 2^54816385 is an apocalyptic number.

It is an amenable number.

54816385 is a deficient number, since it is larger than the sum of its proper divisors (19074047).

54816385 is a wasteful number, since it uses less digits than its factorization.

54816385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its digits is 115200, while the sum is 40.

The square root of 54816385 is about 7403.8088170887. The cubic root of 54816385 is about 379.8715747924.

The spelling of 54816385 in words is "fifty-four million, eight hundred sixteen thousand, three hundred eighty-five".