553666244 has 12 divisors (see below), whose sum is σ = 978509868. Its totient is φ = 274092000.

The previous prime is 553666229. The next prime is 553666271. The reversal of 553666244 is 442666355.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 509043844 + 44622400 = 22562^2 + 6680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684827 + ... + 685634.

It is an arithmetic number, because the mean of its divisors is an integer number (81542489).

Almost surely, 2^553666244 is an apocalyptic number.

It is an amenable number.

553666244 is a deficient number, since it is larger than the sum of its proper divisors (424843624).

553666244 is a wasteful number, since it uses less digits than its factorization.

553666244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370566 (or 1370564 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The square root of 553666244 is about 23530.1135568871. The cubic root of 553666244 is about 821.1377444723.

The spelling of 553666244 in words is "five hundred fifty-three million, six hundred sixty-six thousand, two hundred forty-four".