53567447 has 4 divisors (see below), whose sum is σ = 53583240. Its totient is φ = 53551656.

The previous prime is 53567429. The next prime is 53567461. The reversal of 53567447 is 74476535.

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 53567447 - 2⁶ = 53567383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53567407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 10362.

It is an arithmetic number, because the mean of its divisors is an integer number (13395810).

Almost surely, 2^53567447 is an apocalyptic number.

53567447 is a deficient number, since it is larger than the sum of its proper divisors (15793).

53567447 is a wasteful number, since it uses less digits than its factorization.

53567447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15792.

The product of its digits is 352800, while the sum is 41.

The square root of 53567447 is about 7318.9785489507. The cubic root of 53567447 is about 376.9643811025.

The spelling of 53567447 in words is "fifty-three million, five hundred sixty-seven thousand, four hundred forty-seven".