65554755745556 has 48 divisors (see below), whose sum is σ = 143029198932480. Its totient is φ = 25540699473120.

The previous prime is 65554755745553. The next prime is 65554755745561.

65554755745556 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65554755745553) 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, 109387055 + ... + 109984713.

It is an arithmetic number, because the mean of its divisors is an integer number (2979774977760).

Almost surely, 2^{65554755745556} is an apocalyptic number.

It is an amenable number.

65554755745556 is an abundant number, since it is smaller than the sum of its proper divisors (77474443186924).

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

65554755745556 is a wasteful number, since it uses less digits than its factorization.

65554755745556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953804 (or 953802 counting only the distinct ones).

The product of its digits is 11025000000, while the sum is 74.

The spelling of 65554755745556 in words is "sixty-five trillion, five hundred fifty-four billion, seven hundred fifty-five million, seven hundred forty-five thousand, five hundred fifty-six".