53047331 has 2 divisors, whose sum is σ = 53047332. Its totient is φ = 53047330.

The previous prime is 53047303. The next prime is 53047333. The reversal of 53047331 is 13374035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53047331 - 2¹⁴ = 53030947 is a prime.

It is a super-2 number, since 2×53047331² = 5628038652447122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 53047333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53047331.

It is not a weakly prime, because it can be changed into another prime (53047333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26523665 + 26523666.

It is an arithmetic number, because the mean of its divisors is an integer number (26523666).

Almost surely, 2^53047331 is an apocalyptic number.

53047331 is a deficient number, since it is larger than the sum of its proper divisors (1).

53047331 is an equidigital number, since it uses as much as digits as its factorization.

53047331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 53047331 is about 7283.3598702796. The cubic root of 53047331 is about 375.7403589839.

The spelling of 53047331 in words is "fifty-three million, forty-seven thousand, three hundred thirty-one".