51875528689 has 2 divisors, whose sum is σ = 51875528690. Its totient is φ = 51875528688.

The previous prime is 51875528671. The next prime is 51875528737. The reversal of 51875528689 is 98682557815.

51875528689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36563941089 + 15311587600 = 191217^2 + 123740^2 .

It is a cyclic number.

It is not a de Polignac number, because 51875528689 - 2²⁵ = 51841974257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51875528689.

It is not a weakly prime, because it can be changed into another prime (51875528389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25937764344 + 25937764345.

It is an arithmetic number, because the mean of its divisors is an integer number (25937764345).

Almost surely, 2^51875528689 is an apocalyptic number.

It is an amenable number.

51875528689 is a deficient number, since it is larger than the sum of its proper divisors (1).

51875528689 is an equidigital number, since it uses as much as digits as its factorization.

51875528689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384000, while the sum is 64.

The spelling of 51875528689 in words is "fifty-one billion, eight hundred seventy-five million, five hundred twenty-eight thousand, six hundred eighty-nine".