553216347 has 12 divisors (see below), whose sum is σ = 804182080. Its totient is φ = 366460848.

The previous prime is 553216343. The next prime is 553216361. The reversal of 553216347 is 743612355.

553216347 is a `hidden beast` number, since 553 + 2 + 1 + 63 + 47 = 666.

It is not a de Polignac number, because 553216347 - 2² = 553216343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553216343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194347 + ... + 197172.

Almost surely, 2^553216347 is an apocalyptic number.

553216347 is a deficient number, since it is larger than the sum of its proper divisors (250965733).

553216347 is a wasteful number, since it uses less digits than its factorization.

553216347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391682 (or 391679 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 553216347 is about 23520.5515879199. The cubic root of 553216347 is about 820.9152713850.

The spelling of 553216347 in words is "five hundred fifty-three million, two hundred sixteen thousand, three hundred forty-seven".