52048228681 has 2 divisors, whose sum is σ = 52048228682. Its totient is φ = 52048228680.

The previous prime is 52048228621. The next prime is 52048228709. The reversal of 52048228681 is 18682284025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44979623056 + 7068605625 = 212084^2 + 84075^2 .

It is a cyclic number.

It is not a de Polignac number, because 52048228681 - 2¹³ = 52048220489 is a prime.

It is a super-2 number, since 2×52048228681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52048228621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26024114340 + 26024114341.

It is an arithmetic number, because the mean of its divisors is an integer number (26024114341).

Almost surely, 2^52048228681 is an apocalyptic number.

It is an amenable number.

52048228681 is a deficient number, since it is larger than the sum of its proper divisors (1).

52048228681 is an equidigital number, since it uses as much as digits as its factorization.

52048228681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 491520, while the sum is 46.

The spelling of 52048228681 in words is "fifty-two billion, forty-eight million, two hundred twenty-eight thousand, six hundred eighty-one".