555566116 has 18 divisors (see below), whose sum is σ = 1130974278. Its totient is φ = 238099680.

The previous prime is 555566111. The next prime is 555566119. The reversal of 555566116 is 611665555.

It can be written as a sum of positive squares in only one way, i.e., 409252900 + 146313216 = 20230^2 + 12096^2 .

It is not an unprimeable number, because it can be changed into a prime (555566111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1417065 + ... + 1417456.

Almost surely, 2^555566116 is an apocalyptic number.

It is an amenable number.

555566116 is an abundant number, since it is smaller than the sum of its proper divisors (575408162).

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

555566116 is a wasteful number, since it uses less digits than its factorization.

555566116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834539 (or 2834530 counting only the distinct ones).

The product of its digits is 135000, while the sum is 40.

The square root of 555566116 is about 23570.4500593434. The cubic root of 555566116 is about 822.0759002696.

The spelling of 555566116 in words is "five hundred fifty-five million, five hundred sixty-six thousand, one hundred sixteen".