53307893 has 2 divisors, whose sum is σ = 53307894. Its totient is φ = 53307892.

The previous prime is 53307871. The next prime is 53307899. The reversal of 53307893 is 39870335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53260804 + 47089 = 7298^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 53307893 - 2¹⁸ = 53045749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53307899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26653946 + 26653947.

It is an arithmetic number, because the mean of its divisors is an integer number (26653947).

Almost surely, 2^53307893 is an apocalyptic number.

It is an amenable number.

53307893 is a deficient number, since it is larger than the sum of its proper divisors (1).

53307893 is an equidigital number, since it uses as much as digits as its factorization.

53307893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 53307893 is about 7301.2254450880. The cubic root of 53307893 is about 376.3545513579.

The spelling of 53307893 in words is "fifty-three million, three hundred seven thousand, eight hundred ninety-three".