54135605 has 8 divisors (see below), whose sum is σ = 67203000. Its totient is φ = 41814976.

The previous prime is 54135593. The next prime is 54135607. The reversal of 54135605 is 50653145.

54135605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17859076 + 36276529 = 4226^2 + 6023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54135605 - 2¹² = 54131509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54135607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186530 + ... + 186819.

It is an arithmetic number, because the mean of its divisors is an integer number (8400375).

Almost surely, 2^54135605 is an apocalyptic number.

It is an amenable number.

54135605 is a deficient number, since it is larger than the sum of its proper divisors (13067395).

54135605 is a wasteful number, since it uses less digits than its factorization.

54135605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373383.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 54135605 is about 7357.6901946195. The cubic root of 54135605 is about 378.2924423366.

The spelling of 54135605 in words is "fifty-four million, one hundred thirty-five thousand, six hundred five".