554450666 has 32 divisors (see below), whose sum is σ = 1091473920. Its totient is φ = 204649200.

The previous prime is 554450657. The next prime is 554450669. The reversal of 554450666 is 666054455.

It is not an unprimeable number, because it can be changed into a prime (554450669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91820 + ... + 97671.

It is an arithmetic number, because the mean of its divisors is an integer number (34108560).

Almost surely, 2^554450666 is an apocalyptic number.

554450666 is a deficient number, since it is larger than the sum of its proper divisors (537023254).

554450666 is a wasteful number, since it uses less digits than its factorization.

554450666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189530.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 554450666 is about 23546.7761275296. The cubic root of 554450666 is about 821.5253513667.

The spelling of 554450666 in words is "five hundred fifty-four million, four hundred fifty thousand, six hundred sixty-six".