554554646 has 8 divisors (see below), whose sum is σ = 860515920. Its totient is φ = 267716008.

The previous prime is 554554621. The next prime is 554554661. The reversal of 554554646 is 646455455.

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 = 554554597 and 554554606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4780586 + ... + 4780701.

It is an arithmetic number, because the mean of its divisors is an integer number (107564490).

Almost surely, 2^554554646 is an apocalyptic number.

554554646 is a deficient number, since it is larger than the sum of its proper divisors (305961274).

554554646 is a wasteful number, since it uses less digits than its factorization.

554554646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561318.

The product of its digits is 1440000, while the sum is 44.

The square root of 554554646 is about 23548.9839695899. The cubic root of 554554646 is about 821.5767036161.

The spelling of 554554646 in words is "five hundred fifty-four million, five hundred fifty-four thousand, six hundred forty-six".