545047393 has 8 divisors (see below), whose sum is σ = 597417696. Its totient is φ = 493147200.

The previous prime is 545047379. The next prime is 545047411. The reversal of 545047393 is 393740545.

It is a happy number.

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 545047393 - 2⁵ = 545047361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545047343) 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, 115096 + ... + 119737.

It is an arithmetic number, because the mean of its divisors is an integer number (74677212).

Almost surely, 2^545047393 is an apocalyptic number.

It is an amenable number.

545047393 is a deficient number, since it is larger than the sum of its proper divisors (52370303).

545047393 is a wasteful number, since it uses less digits than its factorization.

545047393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235055.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 545047393 is about 23346.2500843283. The cubic root of 545047393 is about 816.8545934497.

The spelling of 545047393 in words is "five hundred forty-five million, forty-seven thousand, three hundred ninety-three".