53130533 has 2 divisors, whose sum is σ = 53130534. Its totient is φ = 53130532.

The previous prime is 53130521. The next prime is 53130563. The reversal of 53130533 is 33503135.

53130533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 611524 = 7247^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 53130533 - 2⁸ = 53130277 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53130499 and 53130508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53130563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26565266 + 26565267.

It is an arithmetic number, because the mean of its divisors is an integer number (26565267).

Almost surely, 2^53130533 is an apocalyptic number.

It is an amenable number.

53130533 is a deficient number, since it is larger than the sum of its proper divisors (1).

53130533 is an equidigital number, since it uses as much as digits as its factorization.

53130533 is an odious number, because the sum of its binary digits is odd.

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

The square root of 53130533 is about 7289.0694193429. The cubic root of 53130533 is about 375.9366994879.

Adding to 53130533 its reverse (33503135), we get a palindrome (86633668).

The spelling of 53130533 in words is "fifty-three million, one hundred thirty thousand, five hundred thirty-three".