545277505 has 8 divisors (see below), whose sum is σ = 654575400. Its totient is φ = 436060416.

The previous prime is 545277493. The next prime is 545277521. The reversal of 545277505 is 505772545.

It can be written as a sum of positive squares in 4 ways, for example, as 275792449 + 269485056 = 16607^2 + 16416^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545277505 - 2¹¹ = 545275457 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4200 + ... + 33289.

It is an arithmetic number, because the mean of its divisors is an integer number (81821925).

Almost surely, 2^545277505 is an apocalyptic number.

It is an amenable number.

545277505 is a deficient number, since it is larger than the sum of its proper divisors (109297895).

545277505 is a wasteful number, since it uses less digits than its factorization.

545277505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40403.

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 545277505 is about 23351.1778075539. The cubic root of 545277505 is about 816.9695324441.

The spelling of 545277505 in words is "five hundred forty-five million, two hundred seventy-seven thousand, five hundred five".