52856189 has 2 divisors, whose sum is σ = 52856190. Its totient is φ = 52856188.

The previous prime is 52856137. The next prime is 52856203. The reversal of 52856189 is 98165825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42680089 + 10176100 = 6533^2 + 3190^2 .

It is a cyclic number.

It is not a de Polignac number, because 52856189 - 2¹⁶ = 52790653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52856789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26428094 + 26428095.

It is an arithmetic number, because the mean of its divisors is an integer number (26428095).

Almost surely, 2^52856189 is an apocalyptic number.

It is an amenable number.

52856189 is a deficient number, since it is larger than the sum of its proper divisors (1).

52856189 is an equidigital number, since it uses as much as digits as its factorization.

52856189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 44.

The square root of 52856189 is about 7270.2262000573. The cubic root of 52856189 is about 375.2885222525.

The spelling of 52856189 in words is "fifty-two million, eight hundred fifty-six thousand, one hundred eighty-nine".