545555555 has 16 divisors (see below), whose sum is σ = 669634560. Its totient is φ = 426495072.

The previous prime is 545555537. The next prime is 545555579. The reversal of 545555555 is 555555545.

It is a cyclic number.

It is not a de Polignac number, because 545555555 - 2¹⁴ = 545539171 is a prime.

545555555 is a modest number, since divided by 55555 gives 5455 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195782 + ... + 198548.

It is an arithmetic number, because the mean of its divisors is an integer number (41852160).

Almost surely, 2^545555555 is an apocalyptic number.

545555555 is a deficient number, since it is larger than the sum of its proper divisors (124079005).

545555555 is a wasteful number, since it uses less digits than its factorization.

545555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658.

The product of its digits is 1562500, while the sum is 44.

The square root of 545555555 is about 23357.1307099138. The cubic root of 545555555 is about 817.1083729282.

The spelling of 545555555 in words is "five hundred forty-five million, five hundred fifty-five thousand, five hundred fifty-five".