53193739 has 2 divisors, whose sum is σ = 53193740. Its totient is φ = 53193738.

The previous prime is 53193653. The next prime is 53193757. The reversal of 53193739 is 93739135.

53193739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53193739 is a prime.

It is not a weakly prime, because it can be changed into another prime (53191739) 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, 26596869 + 26596870.

It is an arithmetic number, because the mean of its divisors is an integer number (26596870).

Almost surely, 2^53193739 is an apocalyptic number.

53193739 is a deficient number, since it is larger than the sum of its proper divisors (1).

53193739 is an equidigital number, since it uses as much as digits as its factorization.

53193739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76545, while the sum is 40.

The square root of 53193739 is about 7293.4038006955. The cubic root of 53193739 is about 376.0857163677.

The spelling of 53193739 in words is "fifty-three million, one hundred ninety-three thousand, seven hundred thirty-nine".