65505485 has 4 divisors (see below), whose sum is σ = 78606588. Its totient is φ = 52404384.

The previous prime is 65505467. The next prime is 65505491. The reversal of 65505485 is 58450556.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24314761 + 41190724 = 4931^2 + 6418^2 .

It is a cyclic number.

It is not a de Polignac number, because 65505485 - 2⁶ = 65505421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6550544 + ... + 6550553.

It is an arithmetic number, because the mean of its divisors is an integer number (19651647).

Almost surely, 2^65505485 is an apocalyptic number.

It is an amenable number.

65505485 is a deficient number, since it is larger than the sum of its proper divisors (13101103).

65505485 is a wasteful number, since it uses less digits than its factorization.

65505485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13101102.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 65505485 is about 8093.5458854571. The cubic root of 65505485 is about 403.1121505830.

The spelling of 65505485 in words is "sixty-five million, five hundred five thousand, four hundred eighty-five".