65530049 has 4 divisors (see below), whose sum is σ = 70570836. Its totient is φ = 60489264.

The previous prime is 65530039. The next prime is 65530057. The reversal of 65530049 is 94003556.

It is a happy number.

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 9878449 + 55651600 = 3143^2 + 7460^2 .

It is a cyclic number.

It is not a de Polignac number, because 65530049 - 2⁴ = 65530033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65529997 and 65530024.

It is not an unprimeable number, because it can be changed into a prime (65530009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520374 + ... + 2520399.

It is an arithmetic number, because the mean of its divisors is an integer number (17642709).

Almost surely, 2^65530049 is an apocalyptic number.

It is an amenable number.

65530049 is a deficient number, since it is larger than the sum of its proper divisors (5040787).

65530049 is a wasteful number, since it uses less digits than its factorization.

65530049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040786.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 65530049 is about 8095.0632486720. The cubic root of 65530049 is about 403.1625321624.

The spelling of 65530049 in words is "sixty-five million, five hundred thirty thousand, forty-nine".