65552069 has 4 divisors (see below), whose sum is σ = 71511360. Its totient is φ = 59592780.

The previous prime is 65552057. The next prime is 65552077. The reversal of 65552069 is 96025556.

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 a cyclic number.

It is not a de Polignac number, because 65552069 - 2²⁰ = 64503493 is a prime.

It is a super-2 number, since 2×65552069² = 8594147500361522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65522069) 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, 2979629 + ... + 2979650.

It is an arithmetic number, because the mean of its divisors is an integer number (17877840).

Almost surely, 2^65552069 is an apocalyptic number.

It is an amenable number.

65552069 is a deficient number, since it is larger than the sum of its proper divisors (5959291).

65552069 is a wasteful number, since it uses less digits than its factorization.

65552069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959290.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 65552069 is about 8096.4232226336. The cubic root of 65552069 is about 403.2076852126.

The spelling of 65552069 in words is "sixty-five million, five hundred fifty-two thousand, sixty-nine".