52989863 has 2 divisors, whose sum is σ = 52989864. Its totient is φ = 52989862.

The previous prime is 52989851. The next prime is 52989869. The reversal of 52989863 is 36898925.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52989863 - 2¹⁰ = 52988839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52989869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26494931 + 26494932.

It is an arithmetic number, because the mean of its divisors is an integer number (26494932).

Almost surely, 2^52989863 is an apocalyptic number.

52989863 is a deficient number, since it is larger than the sum of its proper divisors (1).

52989863 is an equidigital number, since it uses as much as digits as its factorization.

52989863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 52989863 is about 7279.4136439689. The cubic root of 52989863 is about 375.6046258016.

The spelling of 52989863 in words is "fifty-two million, nine hundred eighty-nine thousand, eight hundred sixty-three".