53330863 has 2 divisors, whose sum is σ = 53330864. Its totient is φ = 53330862.

The previous prime is 53330839. The next prime is 53330909. The reversal of 53330863 is 36803335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53330863 - 2²¹ = 51233711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53330063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26665431 + 26665432.

It is an arithmetic number, because the mean of its divisors is an integer number (26665432).

Almost surely, 2^53330863 is an apocalyptic number.

53330863 is a deficient number, since it is larger than the sum of its proper divisors (1).

53330863 is an equidigital number, since it uses as much as digits as its factorization.

53330863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 53330863 is about 7302.7982992823. The cubic root of 53330863 is about 376.4085997810.

The spelling of 53330863 in words is "fifty-three million, three hundred thirty thousand, eight hundred sixty-three".