545603604 has 48 divisors (see below), whose sum is σ = 1566864768. Its totient is φ = 143895168.

The previous prime is 545603567. The next prime is 545603609. The reversal of 545603604 is 406306545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545603609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248727 + ... + 250910.

It is an arithmetic number, because the mean of its divisors is an integer number (32643016).

Almost surely, 2^545603604 is an apocalyptic number.

It is an amenable number.

545603604 is an abundant number, since it is smaller than the sum of its proper divisors (1021261164).

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

545603604 is a wasteful number, since it uses less digits than its factorization.

545603604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499664 (or 499662 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 545603604 is about 23358.1592596677. The cubic root of 545603604 is about 817.1323607619.

The spelling of 545603604 in words is "five hundred forty-five million, six hundred three thousand, six hundred four".