53509227 has 4 divisors (see below), whose sum is σ = 71345640. Its totient is φ = 35672816.

The previous prime is 53509213. The next prime is 53509231. The reversal of 53509227 is 72290535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53509227 - 2⁶ = 53509163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53509237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8918202 + ... + 8918207.

It is an arithmetic number, because the mean of its divisors is an integer number (17836410).

Almost surely, 2^53509227 is an apocalyptic number.

53509227 is a deficient number, since it is larger than the sum of its proper divisors (17836413).

53509227 is a wasteful number, since it uses less digits than its factorization.

53509227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17836412.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 53509227 is about 7315.0001367054. Note that the first 3 decimals coincide. The cubic root of 53509227 is about 376.8277631668.

The spelling of 53509227 in words is "fifty-three million, five hundred nine thousand, two hundred twenty-seven".