545448961 has 8 divisors (see below), whose sum is σ = 578068704. Its totient is φ = 512888640.

The previous prime is 545448949. The next prime is 545448973. The reversal of 545448961 is 169844545.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (545448949) and next prime (545448973).

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

It is not a de Polignac number, because 545448961 - 2¹⁷ = 545317889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545448901) 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, 4806 + ... + 33376.

It is an arithmetic number, because the mean of its divisors is an integer number (72258588).

Almost surely, 2^545448961 is an apocalyptic number.

It is an amenable number.

545448961 is a deficient number, since it is larger than the sum of its proper divisors (32619743).

545448961 is a wasteful number, since it uses less digits than its factorization.

545448961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29711.

The product of its digits is 691200, while the sum is 46.

The square root of 545448961 is about 23354.8487685106. The cubic root of 545448961 is about 817.0551522419.

The spelling of 545448961 in words is "five hundred forty-five million, four hundred forty-eight thousand, nine hundred sixty-one".