3552643385 has 8 divisors (see below), whose sum is σ = 4263667080. Its totient is φ = 2841784704.

The previous prime is 3552643267. The next prime is 3552643397. The reversal of 3552643385 is 5833462553.

It can be written as a sum of positive squares in 4 ways, for example, as 795973369 + 2756670016 = 28213^2 + 52504^2 .

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 3552643385 - 2¹⁸ = 3552381241 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, 12479 + ... + 85211.

It is an arithmetic number, because the mean of its divisors is an integer number (532958385).

Almost surely, 2^3552643385 is an apocalyptic number.

It is an amenable number.

3552643385 is a deficient number, since it is larger than the sum of its proper divisors (711023695).

3552643385 is an equidigital number, since it uses as much as digits as its factorization.

3552643385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82507.

The product of its digits is 1296000, while the sum is 44.

The square root of 3552643385 is about 59604.0551053366. The cubic root of 3552643385 is about 1525.8688425312.

The spelling of 3552643385 in words is "three billion, five hundred fifty-two million, six hundred forty-three thousand, three hundred eighty-five".