545565412 has 18 divisors (see below), whose sum is σ = 1110615702. Its totient is φ = 233813664.

The previous prime is 545565341. The next prime is 545565413. The reversal of 545565412 is 214565545.

It can be written as a sum of positive squares in only one way, i.e., 504271936 + 41293476 = 22456^2 + 6426^2 .

It is not an unprimeable number, because it can be changed into a prime (545565413) 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 5 ways as a sum of consecutive naturals, for example, 1391553 + ... + 1391944.

Almost surely, 2^545565412 is an apocalyptic number.

It is an amenable number.

545565412 is an abundant number, since it is smaller than the sum of its proper divisors (565050290).

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

545565412 is a wasteful number, since it uses less digits than its factorization.

545565412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783515 (or 2783506 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 545565412 is about 23357.3417151867. The cubic root of 545565412 is about 817.1132940211.

The spelling of 545565412 in words is "five hundred forty-five million, five hundred sixty-five thousand, four hundred twelve".