53324387 has 2 divisors, whose sum is σ = 53324388. Its totient is φ = 53324386.

The previous prime is 53324357. The next prime is 53324389. The reversal of 53324387 is 78342335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53324387 - 2¹² = 53320291 is a prime.

It is a super-3 number, since 3×53324387³ (a number of 24 digits) contains 333 as substring.

Together with 53324389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53324389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26662193 + 26662194.

It is an arithmetic number, because the mean of its divisors is an integer number (26662194).

Almost surely, 2^53324387 is an apocalyptic number.

53324387 is a deficient number, since it is larger than the sum of its proper divisors (1).

53324387 is an equidigital number, since it uses as much as digits as its factorization.

53324387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 53324387 is about 7302.3548941420. The cubic root of 53324387 is about 376.3933633205.

The spelling of 53324387 in words is "fifty-three million, three hundred twenty-four thousand, three hundred eighty-seven".