553641066 has 36 divisors (see below), whose sum is σ = 1318525026. Its totient is φ = 167769360.

The previous prime is 553641013. The next prime is 553641071. The reversal of 553641066 is 660146355.

553641066 is a `hidden beast` number, since 5 + 5 + 3 + 641 + 0 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 553613841 + 27225 = 23529^2 + 165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 553641066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 124921 + ... + 129276.

Almost surely, 2^553641066 is an apocalyptic number.

553641066 is an abundant number, since it is smaller than the sum of its proper divisors (764883960).

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

553641066 is a wasteful number, since it uses less digits than its factorization.

553641066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254227 (or 254213 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 553641066 is about 23529.5785342619. The cubic root of 553641066 is about 821.1252971904.

The spelling of 553641066 in words is "five hundred fifty-three million, six hundred forty-one thousand, sixty-six".