54145805 has 8 divisors (see below), whose sum is σ = 74257152. Its totient is φ = 37128528.

The previous prime is 54145781. The next prime is 54145811. The reversal of 54145805 is 50854145.

54145805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54145805 - 2¹⁰ = 54144781 is a prime.

It is a Duffinian number.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773477 + ... + 773546.

It is an arithmetic number, because the mean of its divisors is an integer number (9282144).

Almost surely, 2^54145805 is an apocalyptic number.

It is an amenable number.

54145805 is a deficient number, since it is larger than the sum of its proper divisors (20111347).

54145805 is a wasteful number, since it uses less digits than its factorization.

54145805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547035.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 54145805 is about 7358.3833142885. The cubic root of 54145805 is about 378.3161995945.

The spelling of 54145805 in words is "fifty-four million, one hundred forty-five thousand, eight hundred five".