5555657617632 has 144 divisors (see below), whose sum is σ = 16344995546880. Its totient is φ = 1787885030400.

The previous prime is 5555657617619. The next prime is 5555657617649. The reversal of 5555657617632 is 2367167565555.

5555657617632 is a `hidden beast` number, since 5 + 5 + 5 + 5 + 6 + 5 + 7 + 617 + 6 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 5555657617632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169203457 + ... + 169236287.

It is an arithmetic number, because the mean of its divisors is an integer number (113506913520).

Almost surely, 2^{5555657617632} 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 5555657617632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8172497773440).

5555657617632 is an abundant number, since it is smaller than the sum of its proper divisors (10789337929248).

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

5555657617632 is a wasteful number, since it uses less digits than its factorization.

5555657617632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53137 (or 53126 counting only the distinct ones).

The product of its digits is 198450000, while the sum is 63.

The spelling of 5555657617632 in words is "five trillion, five hundred fifty-five billion, six hundred fifty-seven million, six hundred seventeen thousand, six hundred thirty-two".