555555552 has 96 divisors (see below), whose sum is σ = 1515386880. Its totient is φ = 177999360.

The previous prime is 555555541. The next prime is 555555587. The reversal of 555555552 is 255555555.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199673 + ... + 1200135.

It is an arithmetic number, because the mean of its divisors is an integer number (15785280).

Almost surely, 2^555555552 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 555555552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757693440).

555555552 is an abundant number, since it is smaller than the sum of its proper divisors (959831328).

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

555555552 is a wasteful number, since it uses less digits than its factorization.

555555552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 928 counting only the distinct ones).

The product of its digits is 781250, while the sum is 42.

The square root of 555555552 is about 23570.2259641269. The cubic root of 555555552 is about 822.0706896897.

The spelling of 555555552 in words is "five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-two".