52187845057 has 2 divisors, whose sum is σ = 52187845058. Its totient is φ = 52187845056.

The previous prime is 52187845019. The next prime is 52187845067. The reversal of 52187845057 is 75054878125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26443963456 + 25743881601 = 162616^2 + 160449^2 .

It is a cyclic number.

It is not a de Polignac number, because 52187845057 - 2³⁵ = 17828106689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52187844995 and 52187845013.

It is not a weakly prime, because it can be changed into another prime (52187845067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26093922528 + 26093922529.

It is an arithmetic number, because the mean of its divisors is an integer number (26093922529).

Almost surely, 2^52187845057 is an apocalyptic number.

It is an amenable number.

52187845057 is a deficient number, since it is larger than the sum of its proper divisors (1).

52187845057 is an equidigital number, since it uses as much as digits as its factorization.

52187845057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136000, while the sum is 52.

The spelling of 52187845057 in words is "fifty-two billion, one hundred eighty-seven million, eight hundred forty-five thousand, fifty-seven".