54309305 has 8 divisors (see below), whose sum is σ = 69004872. Its totient is φ = 40891648.

The previous prime is 54309293. The next prime is 54309319. The reversal of 54309305 is 50390345.

It can be written as a sum of positive squares in 4 ways, for example, as 8976016 + 45333289 = 2996^2 + 6733^2 .

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 54309305 - 2²² = 50115001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319382 + ... + 319551.

It is an arithmetic number, because the mean of its divisors is an integer number (8625609).

Almost surely, 2^54309305 is an apocalyptic number.

It is an amenable number.

54309305 is a deficient number, since it is larger than the sum of its proper divisors (14695567).

54309305 is a wasteful number, since it uses less digits than its factorization.

54309305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638955.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 54309305 is about 7369.4847174005. The cubic root of 54309305 is about 378.6966079108.

The spelling of 54309305 in words is "fifty-four million, three hundred nine thousand, three hundred five".