556099488 has 144 divisors (see below), whose sum is σ = 1846091520. Its totient is φ = 155478528.

The previous prime is 556099471. The next prime is 556099507. The reversal of 556099488 is 884990655.

It is a happy number.

556099488 is a `hidden beast` number, since 556 + 0 + 9 + 9 + 4 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91818 + ... + 97686.

It is an arithmetic number, because the mean of its divisors is an integer number (12820080).

Almost surely, 2^556099488 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 556099488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923045760).

556099488 is an abundant number, since it is smaller than the sum of its proper divisors (1289992032).

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

556099488 is a wasteful number, since it uses less digits than its factorization.

556099488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939 (or 5928 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 556099488 is about 23581.7617662464. The cubic root of 556099488 is about 822.3388944843.

The spelling of 556099488 in words is "five hundred fifty-six million, ninety-nine thousand, four hundred eighty-eight".