53130733 has 2 divisors, whose sum is σ = 53130734. Its totient is φ = 53130732.

The previous prime is 53130731. The next prime is 53130761. The reversal of 53130733 is 33703135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49603849 + 3526884 = 7043^2 + 1878^2 .

It is a cyclic number.

It is not a de Polignac number, because 53130733 - 2¹ = 53130731 is a prime.

Together with 53130731, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53130698 and 53130707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53130731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26565366 + 26565367.

It is an arithmetic number, because the mean of its divisors is an integer number (26565367).

Almost surely, 2^53130733 is an apocalyptic number.

It is an amenable number.

53130733 is a deficient number, since it is larger than the sum of its proper divisors (1).

53130733 is an equidigital number, since it uses as much as digits as its factorization.

53130733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 25.

The square root of 53130733 is about 7289.0831385024. The cubic root of 53130733 is about 375.9371712019.

Adding to 53130733 its reverse (33703135), we get a palindrome (86833868).

The spelling of 53130733 in words is "fifty-three million, one hundred thirty thousand, seven hundred thirty-three".