52825780549 has 2 divisors, whose sum is σ = 52825780550. Its totient is φ = 52825780548.

The previous prime is 52825780487. The next prime is 52825780561. The reversal of 52825780549 is 94508752825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52180264900 + 645515649 = 228430^2 + 25407^2 .

It is a cyclic number.

It is not a de Polignac number, because 52825780549 - 2¹³ = 52825772357 is a prime.

It is a super-2 number, since 2×52825780549² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52825780549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52825780349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26412890274 + 26412890275.

It is an arithmetic number, because the mean of its divisors is an integer number (26412890275).

Almost surely, 2^52825780549 is an apocalyptic number.

It is an amenable number.

52825780549 is a deficient number, since it is larger than the sum of its proper divisors (1).

52825780549 is an equidigital number, since it uses as much as digits as its factorization.

52825780549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064000, while the sum is 55.

It can be divided in two parts, 528257 and 80549, that added together give a palindrome (608806).

The spelling of 52825780549 in words is "fifty-two billion, eight hundred twenty-five million, seven hundred eighty thousand, five hundred forty-nine".