54020305 has 8 divisors (see below), whose sum is σ = 68637672. Its totient is φ = 40674048.

The previous prime is 54020299. The next prime is 54020347. The reversal of 54020305 is 50302045.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29931841 + 24088464 = 5471^2 + 4908^2 .

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 54020305 - 2³ = 54020297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317682 + ... + 317851.

It is an arithmetic number, because the mean of its divisors is an integer number (8579709).

Almost surely, 2^54020305 is an apocalyptic number.

It is an amenable number.

54020305 is a deficient number, since it is larger than the sum of its proper divisors (14617367).

54020305 is a wasteful number, since it uses less digits than its factorization.

54020305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635555.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 54020305 is about 7349.8506787553. The cubic root of 54020305 is about 378.0236843964.

The spelling of 54020305 in words is "fifty-four million, twenty thousand, three hundred five".