545455915 has 8 divisors (see below), whose sum is σ = 668473920. Its totient is φ = 427080192.

The previous prime is 545455907. The next prime is 545455919. The reversal of 545455915 is 519554545.

It is a happy number.

545455915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 545455915 - 2³ = 545455907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545455919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160310 + ... + 1160779.

It is an arithmetic number, because the mean of its divisors is an integer number (83559240).

Almost surely, 2^545455915 is an apocalyptic number.

545455915 is a deficient number, since it is larger than the sum of its proper divisors (123018005).

545455915 is a wasteful number, since it uses less digits than its factorization.

545455915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321141.

The product of its digits is 450000, while the sum is 43.

The square root of 545455915 is about 23354.9976450438. The cubic root of 545455915 is about 817.0586244748.

The spelling of 545455915 in words is "five hundred forty-five million, four hundred fifty-five thousand, nine hundred fifteen".