545660604 has 48 divisors (see below), whose sum is σ = 1416844800. Its totient is φ = 181608048.

The previous prime is 545660573. The next prime is 545660641. The reversal of 545660604 is 406066545.

It is a happy number.

545660604 is a `hidden beast` number, since 5 + 45 + 6 + 6 + 0 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 74139 + ... + 81165.

It is an arithmetic number, because the mean of its divisors is an integer number (29517600).

Almost surely, 2^545660604 is an apocalyptic number.

545660604 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

545660604 is an abundant number, since it is smaller than the sum of its proper divisors (871184196).

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

545660604 is a wasteful number, since it uses less digits than its factorization.

545660604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759 (or 7751 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 545660604 is about 23359.3793581936. The cubic root of 545660604 is about 817.1608154387.

The spelling of 545660604 in words is "five hundred forty-five million, six hundred sixty thousand, six hundred four".