553959216 has 80 divisors (see below), whose sum is σ = 1613884800. Its totient is φ = 181887552.

The previous prime is 553959187. The next prime is 553959221. The reversal of 553959216 is 612959355.

553959216 is a `hidden beast` number, since 5 + 53 + 9 + 592 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19375 + ... + 38513.

It is an arithmetic number, because the mean of its divisors is an integer number (20173560).

Almost surely, 2^553959216 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 553959216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806942400).

553959216 is an abundant number, since it is smaller than the sum of its proper divisors (1059925584).

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

553959216 is a wasteful number, since it uses less digits than its factorization.

553959216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223 (or 19211 counting only the distinct ones).

The product of its digits is 364500, while the sum is 45.

The square root of 553959216 is about 23536.3382028726. The cubic root of 553959216 is about 821.2825537022.

The spelling of 553959216 in words is "five hundred fifty-three million, nine hundred fifty-nine thousand, two hundred sixteen".