545255505 has 48 divisors (see below), whose sum is σ = 965412864. Its totient is φ = 284618880.

The previous prime is 545255489. The next prime is 545255509. The reversal of 545255505 is 505552545.

545255505 is a `hidden beast` number, since 54 + 52 + 5 + 550 + 5 = 666.

545255505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545255505 - 2⁴ = 545255489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545255505.

It is not an unprimeable number, because it can be changed into a prime (545255509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 501072 + ... + 502158.

It is an arithmetic number, because the mean of its divisors is an integer number (20112768).

Almost surely, 2^545255505 is an apocalyptic number.

It is an amenable number.

545255505 is a deficient number, since it is larger than the sum of its proper divisors (420157359).

545255505 is a wasteful number, since it uses less digits than its factorization.

545255505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The square root of 545255505 is about 23350.7067344866. The cubic root of 545255505 is about 816.9585450287.

The spelling of 545255505 in words is "five hundred forty-five million, two hundred fifty-five thousand, five hundred five".