65553441428 has 24 divisors (see below), whose sum is σ = 114879338280. Its totient is φ = 32730808320.

The previous prime is 65553441419. The next prime is 65553441439. The reversal of 65553441428 is 82414435556.

It can be written as a sum of positive squares in 4 ways, for example, as 48782673424 + 16770768004 = 220868^2 + 129502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15498818 + ... + 15503046.

It is an arithmetic number, because the mean of its divisors is an integer number (4786639095).

Almost surely, 2^65553441428 is an apocalyptic number.

It is an amenable number.

65553441428 is a deficient number, since it is larger than the sum of its proper divisors (49325896852).

65553441428 is a wasteful number, since it uses less digits than its factorization.

65553441428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747 (or 8745 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

The spelling of 65553441428 in words is "sixty-five billion, five hundred fifty-three million, four hundred forty-one thousand, four hundred twenty-eight".