65500045 has 8 divisors (see below), whose sum is σ = 84646296. Its totient is φ = 48369216.

The previous prime is 65500037. The next prime is 65500063. The reversal of 65500045 is 54000556.

It can be written as a sum of positive squares in 4 ways, for example, as 826281 + 64673764 = 909^2 + 8042^2 .

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 65500045 - 2³ = 65500037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65499992 and 65500019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503782 + ... + 503911.

It is an arithmetic number, because the mean of its divisors is an integer number (10580787).

Almost surely, 2^65500045 is an apocalyptic number.

65500045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65500045 is a deficient number, since it is larger than the sum of its proper divisors (19146251).

65500045 is a wasteful number, since it uses less digits than its factorization.

65500045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007711.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 65500045 is about 8093.2098082281. The cubic root of 65500045 is about 403.1009912589.

The spelling of 65500045 in words is "sixty-five million, five hundred thousand, forty-five".