65552313 has 4 divisors (see below), whose sum is σ = 87403088. Its totient is φ = 43701540.

The previous prime is 65552293. The next prime is 65552329. The reversal of 65552313 is 31325556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 65552313 - 2⁸ = 65552057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65552213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10925383 + ... + 10925388.

It is an arithmetic number, because the mean of its divisors is an integer number (21850772).

Almost surely, 2^65552313 is an apocalyptic number.

It is an amenable number.

65552313 is a deficient number, since it is larger than the sum of its proper divisors (21850775).

65552313 is a wasteful number, since it uses less digits than its factorization.

65552313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21850774.

The product of its digits is 13500, while the sum is 30.

The square root of 65552313 is about 8096.4382910018. The cubic root of 65552313 is about 403.2081854895.

Adding to 65552313 its reverse (31325556), we get a palindrome (96877869).

The spelling of 65552313 in words is "sixty-five million, five hundred fifty-two thousand, three hundred thirteen".