65553369 has 16 divisors (see below), whose sum is σ = 103336320. Its totient is φ = 36167040.

The previous prime is 65553361. The next prime is 65553407. The reversal of 65553369 is 96335556.

It is not a de Polignac number, because 65553369 - 2³ = 65553361 is a prime.

It is a super-2 number, since 2×65553369² = 8594488374500322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65553369.

It is not an unprimeable number, because it can be changed into a prime (65553361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53212 + ... + 54429.

It is an arithmetic number, because the mean of its divisors is an integer number (6458520).

Almost surely, 2^65553369 is an apocalyptic number.

It is an amenable number.

65553369 is a deficient number, since it is larger than the sum of its proper divisors (37782951).

65553369 is a wasteful number, since it uses less digits than its factorization.

65553369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107680.

The product of its digits is 364500, while the sum is 42.

The square root of 65553369 is about 8096.5035046000. The cubic root of 65553369 is about 403.2103506079.

The spelling of 65553369 in words is "sixty-five million, five hundred fifty-three thousand, three hundred sixty-nine".