555066216 has 32 divisors (see below), whose sum is σ = 1541851200. Its totient is φ = 185022000.

The previous prime is 555066203. The next prime is 555066227. The reversal of 555066216 is 612660555.

It is a happy number.

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

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, 1284660 + ... + 1285091.

It is an arithmetic number, because the mean of its divisors is an integer number (48182850).

Almost surely, 2^555066216 is an apocalyptic number.

It is an amenable number.

555066216 is an abundant number, since it is smaller than the sum of its proper divisors (986784984).

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

555066216 is a wasteful number, since it uses less digits than its factorization.

555066216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569766 (or 2569756 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 555066216 is about 23559.8432931970. The cubic root of 555066216 is about 821.8292575196.

The spelling of 555066216 in words is "five hundred fifty-five million, sixty-six thousand, two hundred sixteen".