545693906 has 8 divisors (see below), whose sum is σ = 854129664. Its totient is φ = 260984020.

The previous prime is 545693881. The next prime is 545693909. The reversal of 545693906 is 609396545.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545693909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5931410 + ... + 5931501.

It is an arithmetic number, because the mean of its divisors is an integer number (106766208).

Almost surely, 2^545693906 is an apocalyptic number.

545693906 is a deficient number, since it is larger than the sum of its proper divisors (308435758).

545693906 is a wasteful number, since it uses less digits than its factorization.

545693906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11862936.

The product of its (nonzero) digits is 874800, while the sum is 47.

The square root of 545693906 is about 23360.0921659141. The cubic root of 545693906 is about 817.1774390418.

The spelling of 545693906 in words is "five hundred forty-five million, six hundred ninety-three thousand, nine hundred six".