65553313600 has 84 divisors (see below), whose sum is σ = 169791786400. Its totient is φ = 24841244160.

The previous prime is 65553313571. The next prime is 65553313603. The reversal of 65553313600 is 631335556.

It is a self number, because there is not a number n which added to its sum of digits gives 65553313600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65553313603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047780 + ... + 1108579.

Almost surely, 2^65553313600 is an apocalyptic number.

It is an amenable number.

65553313600 is an abundant number, since it is smaller than the sum of its proper divisors (104238472800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65553313600 is a wasteful number, since it uses less digits than its factorization.

65553313600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156400 (or 2156385 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 37.

The spelling of 65553313600 in words is "sixty-five billion, five hundred fifty-three million, three hundred thirteen thousand, six hundred".