52327991 has 2 divisors, whose sum is σ = 52327992. Its totient is φ = 52327990.

The previous prime is 52327987. The next prime is 52328009. The reversal of 52327991 is 19972325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52327991 - 2² = 52327987 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52327901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26163995 + 26163996.

It is an arithmetic number, because the mean of its divisors is an integer number (26163996).

Almost surely, 2^52327991 is an apocalyptic number.

52327991 is a deficient number, since it is larger than the sum of its proper divisors (1).

52327991 is an equidigital number, since it uses as much as digits as its factorization.

52327991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 52327991 is about 7233.8088860572. The cubic root of 52327991 is about 374.0342343337.

The spelling of 52327991 in words is "fifty-two million, three hundred twenty-seven thousand, nine hundred ninety-one".