504545455 has 4 divisors (see below), whose sum is σ = 605454552. Its totient is φ = 403636360.

The previous prime is 504545449. The next prime is 504545479. The reversal of 504545455 is 554545405.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 504545455 - 2¹¹ = 504543407 is a prime.

It is a super-2 number, since 2×504545455² = 509132232322314050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50454541 + ... + 50454550.

It is an arithmetic number, because the mean of its divisors is an integer number (151363638).

Almost surely, 2^504545455 is an apocalyptic number.

504545455 is a deficient number, since it is larger than the sum of its proper divisors (100909097).

504545455 is a wasteful number, since it uses less digits than its factorization.

504545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100909096.

The product of its (nonzero) digits is 200000, while the sum is 37.

The square root of 504545455 is about 22462.0892839469. The cubic root of 504545455 is about 796.0984275777.

The spelling of 504545455 in words is "five hundred four million, five hundred forty-five thousand, four hundred fifty-five".