53350331 has 2 divisors, whose sum is σ = 53350332. Its totient is φ = 53350330.

The previous prime is 53350279. The next prime is 53350333. The reversal of 53350331 is 13305335.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53350331 is a prime.

It is a super-3 number, since 3×53350331³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 53350333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53350297 and 53350306.

It is not a weakly prime, because it can be changed into another prime (53350333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26675165 + 26675166.

It is an arithmetic number, because the mean of its divisors is an integer number (26675166).

Almost surely, 2^53350331 is an apocalyptic number.

53350331 is a deficient number, since it is larger than the sum of its proper divisors (1).

53350331 is an equidigital number, since it uses as much as digits as its factorization.

53350331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 53350331 is about 7304.1310913756. The cubic root of 53350331 is about 376.4543958468.

Adding to 53350331 its reverse (13305335), we get a palindrome (66655666).

The spelling of 53350331 in words is "fifty-three million, three hundred fifty thousand, three hundred thirty-one".