65552444 has 6 divisors (see below), whose sum is σ = 114716784. Its totient is φ = 32776220.

The previous prime is 65552437. The next prime is 65552449. The reversal of 65552444 is 44425556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65552449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8194052 + ... + 8194059.

It is an arithmetic number, because the mean of its divisors is an integer number (19119464).

Almost surely, 2^65552444 is an apocalyptic number.

It is an amenable number.

65552444 is a deficient number, since it is larger than the sum of its proper divisors (49164340).

65552444 is a wasteful number, since it uses less digits than its factorization.

65552444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388115 (or 16388113 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 65552444 is about 8096.4463809748. The cubic root of 65552444 is about 403.2084540802.

The spelling of 65552444 in words is "sixty-five million, five hundred fifty-two thousand, four hundred forty-four".