553220445 has 8 divisors (see below), whose sum is σ = 885152736. Its totient is φ = 295050896.

The previous prime is 553220431. The next prime is 553220471. The reversal of 553220445 is 544022355.

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 553220445 - 2¹⁴ = 553204061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18440667 + ... + 18440696.

It is an arithmetic number, because the mean of its divisors is an integer number (110644092).

Almost surely, 2^553220445 is an apocalyptic number.

It is an amenable number.

553220445 is a deficient number, since it is larger than the sum of its proper divisors (331932291).

553220445 is a wasteful number, since it uses less digits than its factorization.

553220445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36881371.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 553220445 is about 23520.6387030625. The cubic root of 553220445 is about 820.9172983813.

The spelling of 553220445 in words is "five hundred fifty-three million, two hundred twenty thousand, four hundred forty-five".