545546001 has 32 divisors (see below), whose sum is σ = 976647168. Its totient is φ = 261599040.

The previous prime is 545545991. The next prime is 545546003. The reversal of 545546001 is 100645545.

It is not a de Polignac number, because 545546001 - 2⁹ = 545545489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545546001.

It is not an unprimeable number, because it can be changed into a prime (545546003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87831 + ... + 93836.

It is an arithmetic number, because the mean of its divisors is an integer number (30520224).

Almost surely, 2^545546001 is an apocalyptic number.

It is an amenable number.

545546001 is a deficient number, since it is larger than the sum of its proper divisors (431101167).

545546001 is a wasteful number, since it uses less digits than its factorization.

545546001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181701.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 545546001 is about 23356.9261890344. The cubic root of 545546001 is about 817.1036030511.

The spelling of 545546001 in words is "five hundred forty-five million, five hundred forty-six thousand, one".