553553280 has 192 divisors, whose sum is σ = 2184717600. Its totient is φ = 126517248.

The previous prime is 553553257. The next prime is 553553291. The reversal of 553553280 is 82355355.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 33456 + ... + 47184.

Almost surely, 2^553553280 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 553553280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092358800).

553553280 is an abundant number, since it is smaller than the sum of its proper divisors (1631164320).

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

553553280 is a wasteful number, since it uses less digits than its factorization.

553553280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13761 (or 13746 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 553553280 is about 23527.7130210312. The cubic root of 553553280 is about 821.0818953548.

The spelling of 553553280 in words is "five hundred fifty-three million, five hundred fifty-three thousand, two hundred eighty".