53549217 has 12 divisors (see below), whose sum is σ = 77428260. Its totient is φ = 35662848.

The previous prime is 53549207. The next prime is 53549257. The reversal of 53549217 is 71294535.

It can be written as a sum of positive squares in 2 ways, for example, as 27783441 + 25765776 = 5271^2 + 5076^2 .

It is not a de Polignac number, because 53549217 - 2¹⁴ = 53532833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53549207) 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, 8509 + ... + 13397.

It is an arithmetic number, because the mean of its divisors is an integer number (6452355).

Almost surely, 2^53549217 is an apocalyptic number.

It is an amenable number.

53549217 is a deficient number, since it is larger than the sum of its proper divisors (23879043).

53549217 is a wasteful number, since it uses less digits than its factorization.

53549217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112 (or 6109 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 53549217 is about 7317.7330506107. The cubic root of 53549217 is about 376.9216135837.

The spelling of 53549217 in words is "fifty-three million, five hundred forty-nine thousand, two hundred seventeen".