52857137 has 2 divisors, whose sum is σ = 52857138. Its totient is φ = 52857136.

The previous prime is 52857121. The next prime is 52857179. The reversal of 52857137 is 73175825.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52548001 + 309136 = 7249^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 52857137 - 2⁴ = 52857121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52857137.

It is not a weakly prime, because it can be changed into another prime (52856137) 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, 26428568 + 26428569.

It is an arithmetic number, because the mean of its divisors is an integer number (26428569).

Almost surely, 2^52857137 is an apocalyptic number.

It is an amenable number.

52857137 is a deficient number, since it is larger than the sum of its proper divisors (1).

52857137 is an equidigital number, since it uses as much as digits as its factorization.

52857137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 52857137 is about 7270.2913971862. The cubic root of 52857137 is about 375.2907658963.

The spelling of 52857137 in words is "fifty-two million, eight hundred fifty-seven thousand, one hundred thirty-seven".