53522217 has 24 divisors (see below), whose sum is σ = 88702016. Its totient is φ = 30463776.

The previous prime is 53522207. The next prime is 53522267. The reversal of 53522217 is 71222535.

53522217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53522217 - 2¹⁴ = 53505833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53522207) by changing a digit.

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, 15918 + ... + 18984.

Almost surely, 2^53522217 is an apocalyptic number.

It is an amenable number.

53522217 is a deficient number, since it is larger than the sum of its proper divisors (35179799).

53522217 is a wasteful number, since it uses less digits than its factorization.

53522217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3354 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 53522217 is about 7315.8879843803. The cubic root of 53522217 is about 376.8582538371.

It can be divided in two parts, 5352 and 2217, that added together give a square (7569 = 87²).

The spelling of 53522217 in words is "fifty-three million, five hundred twenty-two thousand, two hundred seventeen".