545578012 has 24 divisors (see below), whose sum is σ = 1100818656. Its totient is φ = 231748608.

The previous prime is 545578003. The next prime is 545578031. The reversal of 545578012 is 210875545.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83053 + ... + 89380.

It is an arithmetic number, because the mean of its divisors is an integer number (45867444).

Almost surely, 2^545578012 is an apocalyptic number.

It is an amenable number.

545578012 is an abundant number, since it is smaller than the sum of its proper divisors (555240644).

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

545578012 is a wasteful number, since it uses less digits than its factorization.

545578012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172557 (or 172555 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 545578012 is about 23357.6114361036. The cubic root of 545578012 is about 817.1195844665.

The spelling of 545578012 in words is "five hundred forty-five million, five hundred seventy-eight thousand, twelve".