52327997 has 4 divisors (see below), whose sum is σ = 52376796. Its totient is φ = 52279200.

The previous prime is 52327991. The next prime is 52328009. The reversal of 52327997 is 79972325.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18757561 + 33570436 = 4331^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 52327997 - 2¹⁰ = 52326973 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 (52327991) 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, 22754 + ... + 24947.

It is an arithmetic number, because the mean of its divisors is an integer number (13094199).

Almost surely, 2^52327997 is an apocalyptic number.

It is an amenable number.

52327997 is a deficient number, since it is larger than the sum of its proper divisors (48799).

52327997 is a wasteful number, since it uses less digits than its factorization.

52327997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48798.

The product of its digits is 238140, while the sum is 44.

The square root of 52327997 is about 7233.8093007765. The cubic root of 52327997 is about 374.0342486295.

The spelling of 52327997 in words is "fifty-two million, three hundred twenty-seven thousand, nine hundred ninety-seven".