555363216 has 100 divisors (see below), whose sum is σ = 1617326172. Its totient is φ = 183976704.

The previous prime is 555363197. The next prime is 555363239. The reversal of 555363216 is 612363555.

555363216 is a `hidden beast` number, since 5 + 5 + 5 + 3 + 632 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 406425600 + 148937616 = 20160^2 + 12204^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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 19 ways as a sum of consecutive naturals, for example, 222970 + ... + 225446.

Almost surely, 2^555363216 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 555363216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808663086).

555363216 is an abundant number, since it is smaller than the sum of its proper divisors (1061962956).

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

555363216 is a wasteful number, since it uses less digits than its factorization.

555363216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670 (or 2655 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 555363216 is about 23566.1455482223. The cubic root of 555363216 is about 821.9758104662.

The spelling of 555363216 in words is "five hundred fifty-five million, three hundred sixty-three thousand, two hundred sixteen".