554821880 has 64 divisors (see below), whose sum is σ = 1294375680. Its totient is φ = 213811200.

The previous prime is 554821871. The next prime is 554821909. The reversal of 554821880 is 88128455.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 317810 + ... + 319550.

It is an arithmetic number, because the mean of its divisors is an integer number (20224620).

Almost surely, 2^554821880 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 554821880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647187840).

554821880 is an abundant number, since it is smaller than the sum of its proper divisors (739553800).

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

554821880 is a wasteful number, since it uses less digits than its factorization.

554821880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 41.

The square root of 554821880 is about 23554.6572889524. The cubic root of 554821880 is about 821.7086521223.

The spelling of 554821880 in words is "five hundred fifty-four million, eight hundred twenty-one thousand, eight hundred eighty".