553666546 has 8 divisors (see below), whose sum is σ = 830608560. Its totient is φ = 276797028.

The previous prime is 553666537. The next prime is 553666549. The reversal of 553666546 is 645666355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 553666496 and 553666505.

It is not an unprimeable number, because it can be changed into a prime (553666549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9225 + ... + 34531.

It is an arithmetic number, because the mean of its divisors is an integer number (103826070).

Almost surely, 2^553666546 is an apocalyptic number.

553666546 is a deficient number, since it is larger than the sum of its proper divisors (276942014).

553666546 is a wasteful number, since it uses less digits than its factorization.

553666546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36248.

The product of its digits is 1944000, while the sum is 46.

The square root of 553666546 is about 23530.1199741948. The cubic root of 553666546 is about 821.1378937702.

The spelling of 553666546 in words is "five hundred fifty-three million, six hundred sixty-six thousand, five hundred forty-six".