52543317 has 4 divisors (see below), whose sum is σ = 70057760. Its totient is φ = 35028876.

The previous prime is 52543307. The next prime is 52543349. The reversal of 52543317 is 71334525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52543317 - 2⁴ = 52543301 is a prime.

It is a super-2 number, since 2×52543317² = 5521600322724978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52543307) 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, 8757217 + ... + 8757222.

It is an arithmetic number, because the mean of its divisors is an integer number (17514440).

Almost surely, 2^52543317 is an apocalyptic number.

It is an amenable number.

52543317 is a deficient number, since it is larger than the sum of its proper divisors (17514443).

52543317 is a wasteful number, since it uses less digits than its factorization.

52543317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17514442.

The product of its digits is 12600, while the sum is 30.

The square root of 52543317 is about 7248.6769137547. The cubic root of 52543317 is about 374.5465737444.

The spelling of 52543317 in words is "fifty-two million, five hundred forty-three thousand, three hundred seventeen".