555075648 has 168 divisors, whose sum is σ = 1655702048. Its totient is φ = 177666048.

The previous prime is 555075643. The next prime is 555075673. The reversal of 555075648 is 846570555.

555075648 is a `hidden beast` number, since 5 + 550 + 7 + 56 + 48 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (555075641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1807911 + ... + 1808217.

Almost surely, 2^555075648 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 555075648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827851024).

555075648 is an abundant number, since it is smaller than the sum of its proper divisors (1100626400).

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

555075648 is a wasteful number, since it uses less digits than its factorization.

555075648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The square root of 555075648 is about 23560.0434634574. The cubic root of 555075648 is about 821.8339124896.

The spelling of 555075648 in words is "five hundred fifty-five million, seventy-five thousand, six hundred forty-eight".