545326649 has 8 divisors (see below), whose sum is σ = 623423040. Its totient is φ = 467278416.

The previous prime is 545326633. The next prime is 545326667. The reversal of 545326649 is 946623545.

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 545326649 - 2⁴ = 545326633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545326349) 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, 16862 + ... + 37080.

It is an arithmetic number, because the mean of its divisors is an integer number (77927880).

Almost surely, 2^545326649 is an apocalyptic number.

It is an amenable number.

545326649 is a deficient number, since it is larger than the sum of its proper divisors (78096391).

545326649 is a wasteful number, since it uses less digits than its factorization.

545326649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24079.

The product of its digits is 777600, while the sum is 44.

The square root of 545326649 is about 23352.2300648139. The cubic root of 545326649 is about 816.9940752651.

The spelling of 545326649 in words is "five hundred forty-five million, three hundred twenty-six thousand, six hundred forty-nine".