55563387360 has 288 divisors, whose sum is σ = 190837231200. Its totient is φ = 13582393344.

The previous prime is 55563387353. The next prime is 55563387361. The reversal of 55563387360 is 6378336555.

55563387360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55563387361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12084582 + ... + 12089178.

It is an arithmetic number, because the mean of its divisors is an integer number (662629275).

Almost surely, 2^55563387360 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 55563387360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95418615600).

55563387360 is an abundant number, since it is smaller than the sum of its proper divisors (135273843840).

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

55563387360 is a wasteful number, since it uses less digits than its factorization.

55563387360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790 (or 4769 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 51.

The spelling of 55563387360 in words is "fifty-five billion, five hundred sixty-three million, three hundred eighty-seven thousand, three hundred sixty".