545631006 has 8 divisors (see below), whose sum is σ = 1091262024. Its totient is φ = 181877000.

The previous prime is 545630957. The next prime is 545631007. The reversal of 545631006 is 600136545.

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

545631006 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545631007) 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 3 ways as a sum of consecutive naturals, for example, 45469245 + ... + 45469256.

It is an arithmetic number, because the mean of its divisors is an integer number (136407753).

Almost surely, 2^545631006 is an apocalyptic number.

545631006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545631006 is a wasteful number, since it uses less digits than its factorization.

545631006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90938506.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 545631006 is about 23358.7458139344. The cubic root of 545631006 is about 817.1460402207.

The spelling of 545631006 in words is "five hundred forty-five million, six hundred thirty-one thousand, six".