53099863 has 2 divisors, whose sum is σ = 53099864. Its totient is φ = 53099862.

The previous prime is 53099861. The next prime is 53099873. The reversal of 53099863 is 36899035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53099863 - 2¹ = 53099861 is a prime.

Together with 53099861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53099861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26549931 + 26549932.

It is an arithmetic number, because the mean of its divisors is an integer number (26549932).

Almost surely, 2^53099863 is an apocalyptic number.

53099863 is a deficient number, since it is larger than the sum of its proper divisors (1).

53099863 is an equidigital number, since it uses as much as digits as its factorization.

53099863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 53099863 is about 7286.9652805540. The cubic root of 53099863 is about 375.8643481347.

The spelling of 53099863 in words is "fifty-three million, ninety-nine thousand, eight hundred sixty-three".