553221355 has 8 divisors (see below), whose sum is σ = 668322000. Its totient is φ = 439606176.

The previous prime is 553221337. The next prime is 553221379. The reversal of 553221355 is 553122355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 553221355 - 2¹¹ = 553219307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370545 + ... + 372034.

It is an arithmetic number, because the mean of its divisors is an integer number (83540250).

Almost surely, 2^553221355 is an apocalyptic number.

553221355 is a deficient number, since it is larger than the sum of its proper divisors (115100645).

553221355 is a wasteful number, since it uses less digits than its factorization.

553221355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742733.

The product of its digits is 22500, while the sum is 31.

The square root of 553221355 is about 23520.6580477673. The cubic root of 553221355 is about 820.9177484938.

The spelling of 553221355 in words is "five hundred fifty-three million, two hundred twenty-one thousand, three hundred fifty-five".