52800857 has 2 divisors, whose sum is σ = 52800858. Its totient is φ = 52800856.

The previous prime is 52800841. The next prime is 52800859. The reversal of 52800857 is 75800825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52649536 + 151321 = 7256^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 52800857 - 2⁴ = 52800841 is a prime.

Together with 52800859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52800859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26400428 + 26400429.

It is an arithmetic number, because the mean of its divisors is an integer number (26400429).

Almost surely, 2^52800857 is an apocalyptic number.

It is an amenable number.

52800857 is a deficient number, since it is larger than the sum of its proper divisors (1).

52800857 is an equidigital number, since it uses as much as digits as its factorization.

52800857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 52800857 is about 7266.4198199664. The cubic root of 52800857 is about 375.1575207862.

The spelling of 52800857 in words is "fifty-two million, eight hundred thousand, eight hundred fifty-seven".