54428165 has 16 divisors (see below), whose sum is σ = 72423936. Its totient is φ = 38932800.

The previous prime is 54428161. The next prime is 54428173. The reversal of 54428165 is 56182445.

It is not a de Polignac number, because 54428165 - 2² = 54428161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54428161) 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 15 ways as a sum of consecutive naturals, for example, 4757 + ... + 11466.

It is an arithmetic number, because the mean of its divisors is an integer number (4526496).

Almost surely, 2^54428165 is an apocalyptic number.

54428165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54428165 is a deficient number, since it is larger than the sum of its proper divisors (17995771).

54428165 is a wasteful number, since it uses less digits than its factorization.

54428165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16300.

The product of its digits is 38400, while the sum is 35.

The square root of 54428165 is about 7377.5446457477. The cubic root of 54428165 is about 378.9726752833.

The spelling of 54428165 in words is "fifty-four million, four hundred twenty-eight thousand, one hundred sixty-five".