54065605 has 16 divisors (see below), whose sum is σ = 71180928. Its totient is φ = 39096000.

The previous prime is 54065591. The next prime is 54065623. The reversal of 54065605 is 50656045.

It is not a de Polignac number, because 54065605 - 2⁵ = 54065573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7240 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (4448808).

Almost surely, 2^54065605 is an apocalyptic number.

54065605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54065605 is a deficient number, since it is larger than the sum of its proper divisors (17115323).

54065605 is a wasteful number, since it uses less digits than its factorization.

54065605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 54065605 is about 7352.9317282292. The cubic root of 54065605 is about 378.1293217638.

It can be divided in two parts, 5406 and 5605, that added together give a palindrome (11011).

The spelling of 54065605 in words is "fifty-four million, sixty-five thousand, six hundred five".