53188313 has 2 divisors, whose sum is σ = 53188314. Its totient is φ = 53188312.

The previous prime is 53188297. The next prime is 53188321. The reversal of 53188313 is 31388135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47293129 + 5895184 = 6877^2 + 2428^2 .

It is a cyclic number.

It is not a de Polignac number, because 53188313 - 2⁴ = 53188297 is a prime.

It is equal to p_3180668 and since 53188313 and 3180668 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53188313.

It is not a weakly prime, because it can be changed into another prime (53182313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26594156 + 26594157.

It is an arithmetic number, because the mean of its divisors is an integer number (26594157).

Almost surely, 2^53188313 is an apocalyptic number.

It is an amenable number.

53188313 is a deficient number, since it is larger than the sum of its proper divisors (1).

53188313 is an equidigital number, since it uses as much as digits as its factorization.

53188313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 53188313 is about 7293.0318112566. The cubic root of 53188313 is about 376.0729284562.

It can be divided in two parts, 5318 and 8313, that added together give a palindrome (13631).

The spelling of 53188313 in words is "fifty-three million, one hundred eighty-eight thousand, three hundred thirteen".