557412066 has 12 divisors (see below), whose sum is σ = 1207726182. Its totient is φ = 185804016.

The previous prime is 557412047. The next prime is 557412109. The reversal of 557412066 is 660214755.

It is a happy number.

557412066 is a `hidden beast` number, since 5 + 574 + 1 + 20 + 66 = 666.

557412066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 468506025 + 88906041 = 21645^2 + 9429^2 .

It is a super-2 number, since 2×557412066² = 621416422644776712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 557412066.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15483651 + ... + 15483686.

Almost surely, 2^557412066 is an apocalyptic number.

557412066 is an abundant number, since it is smaller than the sum of its proper divisors (650314116).

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

557412066 is a wasteful number, since it uses less digits than its factorization.

557412066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30967345 (or 30967342 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 557412066 is about 23609.5757268105. The cubic root of 557412066 is about 822.9853830130.

The spelling of 557412066 in words is "five hundred fifty-seven million, four hundred twelve thousand, sixty-six".