554319966 has 16 divisors (see below), whose sum is σ = 1134422784. Its totient is φ = 180476184.

The previous prime is 554319929. The next prime is 554319967. The reversal of 554319966 is 669913455.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554319967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074006 + ... + 1074521.

It is an arithmetic number, because the mean of its divisors is an integer number (70901424).

Almost surely, 2^554319966 is an apocalyptic number.

554319966 is an abundant number, since it is smaller than the sum of its proper divisors (580102818).

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

554319966 is a wasteful number, since it uses less digits than its factorization.

554319966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148575.

The product of its digits is 874800, while the sum is 48.

The square root of 554319966 is about 23544.0006371050. Note that the first 3 decimals coincide. The cubic root of 554319966 is about 821.4607938938.

The spelling of 554319966 in words is "five hundred fifty-four million, three hundred nineteen thousand, nine hundred sixty-six".