52857863 has 2 divisors, whose sum is σ = 52857864. Its totient is φ = 52857862.

The previous prime is 52857823. The next prime is 52857877. The reversal of 52857863 is 36875825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52857863 - 2¹⁴ = 52841479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52857823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26428931 + 26428932.

It is an arithmetic number, because the mean of its divisors is an integer number (26428932).

Almost surely, 2^52857863 is an apocalyptic number.

52857863 is a deficient number, since it is larger than the sum of its proper divisors (1).

52857863 is an equidigital number, since it uses as much as digits as its factorization.

52857863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 52857863 is about 7270.3413262377. The cubic root of 52857863 is about 375.2924841118.

The spelling of 52857863 in words is "fifty-two million, eight hundred fifty-seven thousand, eight hundred sixty-three".