5645506877552 has 80 divisors (see below), whose sum is σ = 11698459411392. Its totient is φ = 2629920215040.

The previous prime is 5645506877519. The next prime is 5645506877609. The reversal of 5645506877552 is 2557786055465.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76755098 + ... + 76828614.

Almost surely, 2^{5645506877552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5645506877552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5849229705696).

5645506877552 is an abundant number, since it is smaller than the sum of its proper divisors (6052952533840).

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

5645506877552 is a wasteful number, since it uses less digits than its factorization.

5645506877552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76386 (or 76380 counting only the distinct ones).

The product of its (nonzero) digits is 352800000, while the sum is 65.

The spelling of 5645506877552 in words is "five trillion, six hundred forty-five billion, five hundred six million, eight hundred seventy-seven thousand, five hundred fifty-two".