53317567 has 4 divisors (see below), whose sum is σ = 53349160. Its totient is φ = 53285976.

The previous prime is 53317543. The next prime is 53317571. The reversal of 53317567 is 76571335.

It is a happy number.

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 53317567 - 2¹⁵ = 53284799 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 (53317067) 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, 13113 + ... + 16690.

It is an arithmetic number, because the mean of its divisors is an integer number (13337290).

Almost surely, 2^53317567 is an apocalyptic number.

53317567 is a deficient number, since it is larger than the sum of its proper divisors (31593).

53317567 is a wasteful number, since it uses less digits than its factorization.

53317567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31592.

The product of its digits is 66150, while the sum is 37.

The square root of 53317567 is about 7301.8879065622. The cubic root of 53317567 is about 376.3773161775.

The spelling of 53317567 in words is "fifty-three million, three hundred seventeen thousand, five hundred sixty-seven".