53453217 has 16 divisors (see below), whose sum is σ = 73946880. Its totient is φ = 34320000.

The previous prime is 53453209. The next prime is 53453227. The reversal of 53453217 is 71235435.

53453217 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 53453217 - 2³ = 53453209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53453227) 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 15 ways as a sum of consecutive naturals, for example, 6967 + ... + 12467.

It is an arithmetic number, because the mean of its divisors is an integer number (4621680).

Almost surely, 2^53453217 is an apocalyptic number.

It is an amenable number.

53453217 is a deficient number, since it is larger than the sum of its proper divisors (20493663).

53453217 is a wasteful number, since it uses less digits than its factorization.

53453217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624.

The product of its digits is 12600, while the sum is 30.

The square root of 53453217 is about 7311.1706996896. The cubic root of 53453217 is about 376.6962376172.

The spelling of 53453217 in words is "fifty-three million, four hundred fifty-three thousand, two hundred seventeen".