553985655552 has 432 divisors, whose sum is σ = 1847921467392. Its totient is φ = 156346122240.

The previous prime is 553985655547. The next prime is 553985655583. The reversal of 553985655552 is 255556589355.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 553985655552.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 628814152 + ... + 628815032.

Almost surely, 2^553985655552 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 553985655552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923960733696).

553985655552 is an abundant number, since it is smaller than the sum of its proper divisors (1293935811840).

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

553985655552 is a wasteful number, since it uses less digits than its factorization.

553985655552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1327 counting only the distinct ones).

The product of its digits is 202500000, while the sum is 63.

The spelling of 553985655552 in words is "five hundred fifty-three billion, nine hundred eighty-five million, six hundred fifty-five thousand, five hundred fifty-two".