65553332 has 12 divisors (see below), whose sum is σ = 123542916. Its totient is φ = 30255360.

The previous prime is 65553329. The next prime is 65553337. The reversal of 65553332 is 23335556.

65553332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41011216 + 24542116 = 6404^2 + 4954^2 .

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65553337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630269 + ... + 630372.

It is an arithmetic number, because the mean of its divisors is an integer number (10295243).

Almost surely, 2^65553332 is an apocalyptic number.

It is an amenable number.

65553332 is a deficient number, since it is larger than the sum of its proper divisors (57989584).

65553332 is a wasteful number, since it uses less digits than its factorization.

65553332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260658 (or 1260656 counting only the distinct ones).

The product of its digits is 40500, while the sum is 32.

The square root of 65553332 is about 8096.5012196627. The cubic root of 65553332 is about 403.2102747471.

Adding to 65553332 its reverse (23335556), we get a palindrome (88888888).

The spelling of 65553332 in words is "sixty-five million, five hundred fifty-three thousand, three hundred thirty-two".