554774656 has 64 divisors (see below), whose sum is σ = 1134403200. Its totient is φ = 270167040.

The previous prime is 554774653. The next prime is 554774657. The reversal of 554774656 is 656477455.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (554774653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838966 + ... + 839626.

It is an arithmetic number, because the mean of its divisors is an integer number (17725050).

Almost surely, 2^554774656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554774656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567201600).

554774656 is an abundant number, since it is smaller than the sum of its proper divisors (579628544).

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

554774656 is an equidigital number, since it uses as much as digits as its factorization.

554774656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 825 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 49.

The square root of 554774656 is about 23553.6548331676. The cubic root of 554774656 is about 821.6853380511.

The spelling of 554774656 in words is "five hundred fifty-four million, seven hundred seventy-four thousand, six hundred fifty-six".