555545788416 has 228 divisors, whose sum is σ = 1624815744552. Its totient is φ = 182886334464.

The previous prime is 555545788387. The next prime is 555545788417. The reversal of 555545788416 is 614887545555.

555545788416 is a `hidden beast` number, since 5 + 5 + 5 + 54 + 578 + 8 + 4 + 1 + 6 = 666.

It is a super-2 number, since 2×555545788416² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555545788417) 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, 195820150 + ... + 195822986.

Almost surely, 2^555545788416 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 555545788416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812407872276).

555545788416 is an abundant number, since it is smaller than the sum of its proper divisors (1069269956136).

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

555545788416 is an frugal number, since it uses more digits than its factorization.

555545788416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962 (or 2925 counting only the distinct ones).

The product of its digits is 134400000, while the sum is 63.

The spelling of 555545788416 in words is "five hundred fifty-five billion, five hundred forty-five million, seven hundred eighty-eight thousand, four hundred sixteen".