555661068 has 24 divisors (see below), whose sum is σ = 1306755072. Its totient is φ = 183761424.

The previous prime is 555661033. The next prime is 555661091. The reversal of 555661068 is 860166555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180780 + ... + 183827.

It is an arithmetic number, because the mean of its divisors is an integer number (54448128).

Almost surely, 2^555661068 is an apocalyptic number.

It is an amenable number.

555661068 is an abundant number, since it is smaller than the sum of its proper divisors (751094004).

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

555661068 is a wasteful number, since it uses less digits than its factorization.

555661068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364741 (or 364739 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 555661068 is about 23572.4641902369. The cubic root of 555661068 is about 822.1227313620.

The spelling of 555661068 in words is "five hundred fifty-five million, six hundred sixty-one thousand, sixty-eight".