545552004 has 12 divisors (see below), whose sum is σ = 1272954704. Its totient is φ = 181850664.

The previous prime is 545551991. The next prime is 545552009. The reversal of 545552004 is 400255545.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (545552009) 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, 22731322 + ... + 22731345.

Almost surely, 2^545552004 is an apocalyptic number.

It is an amenable number.

545552004 is an abundant number, since it is smaller than the sum of its proper divisors (727402700).

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

545552004 is a wasteful number, since it uses less digits than its factorization.

545552004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45462674 (or 45462672 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 545552004 is about 23357.0546944601. The cubic root of 545552004 is about 817.1066000821.

The spelling of 545552004 in words is "five hundred forty-five million, five hundred fifty-two thousand, four".