53340545 has 4 divisors (see below), whose sum is σ = 64008660. Its totient is φ = 42672432.

The previous prime is 53340533. The next prime is 53340641. The reversal of 53340545 is 54504335.

53340545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16386304 + 36954241 = 4048^2 + 6079^2 .

It is a cyclic number.

It is not a de Polignac number, because 53340545 - 2⁶ = 53340481 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 5334050 + ... + 5334059.

It is an arithmetic number, because the mean of its divisors is an integer number (16002165).

Almost surely, 2^53340545 is an apocalyptic number.

It is an amenable number.

53340545 is a deficient number, since it is larger than the sum of its proper divisors (10668115).

53340545 is a wasteful number, since it uses less digits than its factorization.

53340545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668114.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 53340545 is about 7303.4611657761. The cubic root of 53340545 is about 376.4313768832.

The spelling of 53340545 in words is "fifty-three million, three hundred forty thousand, five hundred forty-five".