555550560 has 144 divisors (see below), whose sum is σ = 1947241296. Its totient is φ = 144129024.

The previous prime is 555550553. The next prime is 555550573. The reversal of 555550560 is 65055555.

555550560 is a `hidden beast` number, since 5 + 55 + 550 + 56 + 0 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48067 + ... + 58493.

It is an arithmetic number, because the mean of its divisors is an integer number (13522509).

Almost surely, 2^555550560 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 555550560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973620648).

555550560 is an abundant number, since it is smaller than the sum of its proper divisors (1391690736).

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

555550560 is a wasteful number, since it uses less digits than its factorization.

555550560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485 (or 10474 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 555550560 is about 23570.1200675771. The cubic root of 555550560 is about 822.0682274162.

The spelling of 555550560 in words is "five hundred fifty-five million, five hundred fifty thousand, five hundred sixty".