52501221277 has 2 divisors, whose sum is σ = 52501221278. Its totient is φ = 52501221276.

The previous prime is 52501221247. The next prime is 52501221281. The reversal of 52501221277 is 77212210525.

52501221277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52501015161 + 206116 = 229131^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 52501221277 - 2²³ = 52492832669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52501221247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26250610638 + 26250610639.

It is an arithmetic number, because the mean of its divisors is an integer number (26250610639).

Almost surely, 2^52501221277 is an apocalyptic number.

It is an amenable number.

52501221277 is a deficient number, since it is larger than the sum of its proper divisors (1).

52501221277 is an equidigital number, since it uses as much as digits as its factorization.

52501221277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 34.

The spelling of 52501221277 in words is "fifty-two billion, five hundred one million, two hundred twenty-one thousand, two hundred seventy-seven".