53535217 has 12 divisors (see below), whose sum is σ = 57895236. Its totient is φ = 49466880.

The previous prime is 53535197. The next prime is 53535257. The reversal of 53535217 is 71253535.

53535217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1132096 + 52403121 = 1064^2 + 7239^2 .

It is not a de Polignac number, because 53535217 - 2⁷ = 53535089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53535257) 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 11 ways as a sum of consecutive naturals, for example, 12993 + ... + 16609.

It is an arithmetic number, because the mean of its divisors is an integer number (4824603).

Almost surely, 2^53535217 is an apocalyptic number.

It is an amenable number.

53535217 is a deficient number, since it is larger than the sum of its proper divisors (4360019).

53535217 is a wasteful number, since it uses less digits than its factorization.

53535217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696 (or 3677 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 53535217 is about 7316.7764076812. The cubic root of 53535217 is about 376.8887630410. Note that the first 3 decimals are identical.

It can be divided in two parts, 5353 and 5217, that multiplied together give a triangular number (27926601 = T₇₄₇₃).

The spelling of 53535217 in words is "fifty-three million, five hundred thirty-five thousand, two hundred seventeen".